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Finding the Fourth Proportional to 73,951.28, 102,073.70 and 43,747.10

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Solution

The fourth proportional to 73,951.28, 102,073.70 and 43,747.10 is: 60,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,951.28 : 102,073.70 = 43,747.10 : x
  2. Step 2: Convert to fraction form
    73,951.28/102,073.70 = 43,747.10/x
  3. Step 3: Cross multiply
    73,951.28x = 102,073.70 × 43,747.10
  4. Step 4: Simplify right side
    73,951.28x = 4,465,428,142.53
  5. Step 5: Solve for x
    x = 4,465,428,142.53/73,951.28
  6. Step 6: Final answer
    x = 60,383.38

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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.