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Finding the Fourth Proportional to 98,752.73, 148,125.76 and 39,572.51

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Solution

The fourth proportional to 98,752.73, 148,125.76 and 39,572.51 is: 59,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,752.73 : 148,125.76 = 39,572.51 : x
  2. Step 2: Convert to fraction form
    98,752.73/148,125.76 = 39,572.51/x
  3. Step 3: Cross multiply
    98,752.73x = 148,125.76 × 39,572.51
  4. Step 4: Simplify right side
    98,752.73x = 5,861,707,279.30
  5. Step 5: Solve for x
    x = 5,861,707,279.30/98,752.73
  6. Step 6: Final answer
    x = 59,357.42

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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.