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Finding the Fourth Proportional to 84,553.71, 116,627.92 and 54,377.20

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Solution

The fourth proportional to 84,553.71, 116,627.92 and 54,377.20 is: 75,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,553.71 : 116,627.92 = 54,377.20 : x
  2. Step 2: Convert to fraction form
    84,553.71/116,627.92 = 54,377.20/x
  3. Step 3: Cross multiply
    84,553.71x = 116,627.92 × 54,377.20
  4. Step 4: Simplify right side
    84,553.71x = 6,341,899,459.54
  5. Step 5: Solve for x
    x = 6,341,899,459.54/84,553.71
  6. Step 6: Final answer
    x = 75,004.39

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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.