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Finding the Fourth Proportional to 144,082.47, 216,132.90 and 59,849.49

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Solution

The fourth proportional to 144,082.47, 216,132.90 and 59,849.49 is: 89,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,082.47 : 216,132.90 = 59,849.49 : x
  2. Step 2: Convert to fraction form
    144,082.47/216,132.90 = 59,849.49/x
  3. Step 3: Cross multiply
    144,082.47x = 216,132.90 × 59,849.49
  4. Step 4: Simplify right side
    144,082.47x = 12,935,443,537.97
  5. Step 5: Solve for x
    x = 12,935,443,537.97/144,082.47
  6. Step 6: Final answer
    x = 89,778.05

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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.