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Finding the Fourth Proportional to 108,882, 150,257.70 and 63,591.12

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Solution

The fourth proportional to 108,882, 150,257.70 and 63,591.12 is: 87,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,882 : 150,257.70 = 63,591.12 : x
  2. Step 2: Convert to fraction form
    108,882/150,257.70 = 63,591.12/x
  3. Step 3: Cross multiply
    108,882x = 150,257.70 × 63,591.12
  4. Step 4: Simplify right side
    108,882x = 9,555,055,431.62
  5. Step 5: Solve for x
    x = 9,555,055,431.62/108,882
  6. Step 6: Final answer
    x = 87,756.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.