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Finding the Fourth Proportional to 89,163.60, 133,714.36 and 35,839.74

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Solution

The fourth proportional to 89,163.60, 133,714.36 and 35,839.74 is: 53,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,163.60 : 133,714.36 = 35,839.74 : x
  2. Step 2: Convert to fraction form
    89,163.60/133,714.36 = 35,839.74/x
  3. Step 3: Cross multiply
    89,163.60x = 133,714.36 × 35,839.74
  4. Step 4: Simplify right side
    89,163.60x = 4,792,287,896.67
  5. Step 5: Solve for x
    x = 4,792,287,896.67/89,163.60
  6. Step 6: Final answer
    x = 53,747.13

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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.