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Finding the Fourth Proportional to 123,593.72, 185,390.54 and 44,689.52

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Solution

The fourth proportional to 123,593.72, 185,390.54 and 44,689.52 is: 67,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,593.72 : 185,390.54 = 44,689.52 : x
  2. Step 2: Convert to fraction form
    123,593.72/185,390.54 = 44,689.52/x
  3. Step 3: Cross multiply
    123,593.72x = 185,390.54 × 44,689.52
  4. Step 4: Simplify right side
    123,593.72x = 8,285,014,245.14
  5. Step 5: Solve for x
    x = 8,285,014,245.14/123,593.72
  6. Step 6: Final answer
    x = 67,034.27

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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.