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Finding the Fourth Proportional to 125,464, 188,196.28 and 88,190.87

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Solution

The fourth proportional to 125,464, 188,196.28 and 88,190.87 is: 132,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,464 : 188,196.28 = 88,190.87 : x
  2. Step 2: Convert to fraction form
    125,464/188,196.28 = 88,190.87/x
  3. Step 3: Cross multiply
    125,464x = 188,196.28 × 88,190.87
  4. Step 4: Simplify right side
    125,464x = 16,597,193,663.96
  5. Step 5: Solve for x
    x = 16,597,193,663.96/125,464
  6. Step 6: Final answer
    x = 132,286.50

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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.