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Finding the Fourth Proportional to 144,754.67, 217,132.10 and 39,565.73

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Solution

The fourth proportional to 144,754.67, 217,132.10 and 39,565.73 is: 59,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,754.67 : 217,132.10 = 39,565.73 : x
  2. Step 2: Convert to fraction form
    144,754.67/217,132.10 = 39,565.73/x
  3. Step 3: Cross multiply
    144,754.67x = 217,132.10 × 39,565.73
  4. Step 4: Simplify right side
    144,754.67x = 8,590,989,845.10
  5. Step 5: Solve for x
    x = 8,590,989,845.10/144,754.67
  6. Step 6: Final answer
    x = 59,348.62

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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.