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Finding the Fourth Proportional to 88,999.57, 133,421.82 and 36,375.49

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Solution

The fourth proportional to 88,999.57, 133,421.82 and 36,375.49 is: 54,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,999.57 : 133,421.82 = 36,375.49 : x
  2. Step 2: Convert to fraction form
    88,999.57/133,421.82 = 36,375.49/x
  3. Step 3: Cross multiply
    88,999.57x = 133,421.82 × 36,375.49
  4. Step 4: Simplify right side
    88,999.57x = 4,853,284,079.19
  5. Step 5: Solve for x
    x = 4,853,284,079.19/88,999.57
  6. Step 6: Final answer
    x = 54,531.55

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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.