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Finding the Fourth Proportional to 247,462.89, 371,194.19 and 89,691.09

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Solution

The fourth proportional to 247,462.89, 371,194.19 and 89,691.09 is: 134,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,462.89 : 371,194.19 = 89,691.09 : x
  2. Step 2: Convert to fraction form
    247,462.89/371,194.19 = 89,691.09/x
  3. Step 3: Cross multiply
    247,462.89x = 371,194.19 × 89,691.09
  4. Step 4: Simplify right side
    247,462.89x = 33,292,811,502.77
  5. Step 5: Solve for x
    x = 33,292,811,502.77/247,462.89
  6. Step 6: Final answer
    x = 134,536.58

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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.