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Finding the Fourth Proportional to 89,230.88, 133,823.92 and 36,654.88

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Solution

The fourth proportional to 89,230.88, 133,823.92 and 36,654.88 is: 54,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.88 : 133,823.92 = 36,654.88 : x
  2. Step 2: Convert to fraction form
    89,230.88/133,823.92 = 36,654.88/x
  3. Step 3: Cross multiply
    89,230.88x = 133,823.92 × 36,654.88
  4. Step 4: Simplify right side
    89,230.88x = 4,905,299,728.73
  5. Step 5: Solve for x
    x = 4,905,299,728.73/89,230.88
  6. Step 6: Final answer
    x = 54,973.12

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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.