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Finding the Fourth Proportional to 98,854.62, 148,269.78 and 58,351.38

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Solution

The fourth proportional to 98,854.62, 148,269.78 and 58,351.38 is: 87,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,854.62 : 148,269.78 = 58,351.38 : x
  2. Step 2: Convert to fraction form
    98,854.62/148,269.78 = 58,351.38/x
  3. Step 3: Cross multiply
    98,854.62x = 148,269.78 × 58,351.38
  4. Step 4: Simplify right side
    98,854.62x = 8,651,746,275.30
  5. Step 5: Solve for x
    x = 8,651,746,275.30/98,854.62
  6. Step 6: Final answer
    x = 87,519.90

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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.