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Finding the Fourth Proportional to 152,151.92, 209,898.90 and 98,454.27

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Solution

The fourth proportional to 152,151.92, 209,898.90 and 98,454.27 is: 135,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,151.92 : 209,898.90 = 98,454.27 : x
  2. Step 2: Convert to fraction form
    152,151.92/209,898.90 = 98,454.27/x
  3. Step 3: Cross multiply
    152,151.92x = 209,898.90 × 98,454.27
  4. Step 4: Simplify right side
    152,151.92x = 20,665,442,973.30
  5. Step 5: Solve for x
    x = 20,665,442,973.30/152,151.92
  6. Step 6: Final answer
    x = 135,821.11

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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.