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Finding the Fourth Proportional to 88,839.15, 133,151.03 and 65,246.88

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Solution

The fourth proportional to 88,839.15, 133,151.03 and 65,246.88 is: 97,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,839.15 : 133,151.03 = 65,246.88 : x
  2. Step 2: Convert to fraction form
    88,839.15/133,151.03 = 65,246.88/x
  3. Step 3: Cross multiply
    88,839.15x = 133,151.03 × 65,246.88
  4. Step 4: Simplify right side
    88,839.15x = 8,687,689,276.29
  5. Step 5: Solve for x
    x = 8,687,689,276.29/88,839.15
  6. Step 6: Final answer
    x = 97,791.22

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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.