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Finding the Fourth Proportional to 124,906.96, 187,329.22 and 49,020.91

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Solution

The fourth proportional to 124,906.96, 187,329.22 and 49,020.91 is: 73,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,906.96 : 187,329.22 = 49,020.91 : x
  2. Step 2: Convert to fraction form
    124,906.96/187,329.22 = 49,020.91/x
  3. Step 3: Cross multiply
    124,906.96x = 187,329.22 × 49,020.91
  4. Step 4: Simplify right side
    124,906.96x = 9,183,049,572.58
  5. Step 5: Solve for x
    x = 9,183,049,572.58/124,906.96
  6. Step 6: Final answer
    x = 73,519.12

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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.