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Finding the Fourth Proportional to 96,866.92, 145,519.11 and 57,449.89

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Solution

The fourth proportional to 96,866.92, 145,519.11 and 57,449.89 is: 86,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,866.92 : 145,519.11 = 57,449.89 : x
  2. Step 2: Convert to fraction form
    96,866.92/145,519.11 = 57,449.89/x
  3. Step 3: Cross multiply
    96,866.92x = 145,519.11 × 57,449.89
  4. Step 4: Simplify right side
    96,866.92x = 8,360,056,862.40
  5. Step 5: Solve for x
    x = 8,360,056,862.40/96,866.92
  6. Step 6: Final answer
    x = 86,304.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.