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Finding the Fourth Proportional to 125,562.60, 188,343.90 and 88,164.90

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Solution

The fourth proportional to 125,562.60, 188,343.90 and 88,164.90 is: 132,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,562.60 : 188,343.90 = 88,164.90 : x
  2. Step 2: Convert to fraction form
    125,562.60/188,343.90 = 88,164.90/x
  3. Step 3: Cross multiply
    125,562.60x = 188,343.90 × 88,164.90
  4. Step 4: Simplify right side
    125,562.60x = 16,605,321,109.11
  5. Step 5: Solve for x
    x = 16,605,321,109.11/125,562.60
  6. Step 6: Final answer
    x = 132,247.35

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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.