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Finding the Fourth Proportional to 73,305.24, 101,163.20 and 39,771.24

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Solution

The fourth proportional to 73,305.24, 101,163.20 and 39,771.24 is: 54,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.24 : 101,163.20 = 39,771.24 : x
  2. Step 2: Convert to fraction form
    73,305.24/101,163.20 = 39,771.24/x
  3. Step 3: Cross multiply
    73,305.24x = 101,163.20 × 39,771.24
  4. Step 4: Simplify right side
    73,305.24x = 4,023,385,906.37
  5. Step 5: Solve for x
    x = 4,023,385,906.37/73,305.24
  6. Step 6: Final answer
    x = 54,885.38

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Half scale
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Double scale
Find fourth proportional to 73,306.24, 101,164.58 and 39,772.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.