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Finding the Fourth Proportional to 73,333.24, 101,199.78 and 39,799.24

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Solution

The fourth proportional to 73,333.24, 101,199.78 and 39,799.24 is: 54,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,333.24 : 101,199.78 = 39,799.24 : x
  2. Step 2: Convert to fraction form
    73,333.24/101,199.78 = 39,799.24/x
  3. Step 3: Cross multiply
    73,333.24x = 101,199.78 × 39,799.24
  4. Step 4: Simplify right side
    73,333.24x = 4,027,674,079.17
  5. Step 5: Solve for x
    x = 4,027,674,079.17/73,333.24
  6. Step 6: Final answer
    x = 54,922.90

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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.