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Finding the Fourth Proportional to 89,732.75, 134,661.24 and 35,691.89

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Solution

The fourth proportional to 89,732.75, 134,661.24 and 35,691.89 is: 53,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,732.75 : 134,661.24 = 35,691.89 : x
  2. Step 2: Convert to fraction form
    89,732.75/134,661.24 = 35,691.89/x
  3. Step 3: Cross multiply
    89,732.75x = 134,661.24 × 35,691.89
  4. Step 4: Simplify right side
    89,732.75x = 4,806,313,492.04
  5. Step 5: Solve for x
    x = 4,806,313,492.04/89,732.75
  6. Step 6: Final answer
    x = 53,562.54

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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.