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Finding the Fourth Proportional to 96,498.81, 144,789.53 and 40,352.04

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Solution

The fourth proportional to 96,498.81, 144,789.53 and 40,352.04 is: 60,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,498.81 : 144,789.53 = 40,352.04 : x
  2. Step 2: Convert to fraction form
    96,498.81/144,789.53 = 40,352.04/x
  3. Step 3: Cross multiply
    96,498.81x = 144,789.53 × 40,352.04
  4. Step 4: Simplify right side
    96,498.81x = 5,842,552,906.14
  5. Step 5: Solve for x
    x = 5,842,552,906.14/96,498.81
  6. Step 6: Final answer
    x = 60,545.34

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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.