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Finding the Fourth Proportional to 73,071.70, 100,840.28 and 41,234.44

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Solution

The fourth proportional to 73,071.70, 100,840.28 and 41,234.44 is: 56,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.70 : 100,840.28 = 41,234.44 : x
  2. Step 2: Convert to fraction form
    73,071.70/100,840.28 = 41,234.44/x
  3. Step 3: Cross multiply
    73,071.70x = 100,840.28 × 41,234.44
  4. Step 4: Simplify right side
    73,071.70x = 4,158,092,475.24
  5. Step 5: Solve for x
    x = 4,158,092,475.24/73,071.70
  6. Step 6: Final answer
    x = 56,904.28

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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.