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Finding the Fourth Proportional to 125,675.44, 188,473.20 and 41,419.90

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Solution

The fourth proportional to 125,675.44, 188,473.20 and 41,419.90 is: 62,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,675.44 : 188,473.20 = 41,419.90 : x
  2. Step 2: Convert to fraction form
    125,675.44/188,473.20 = 41,419.90/x
  3. Step 3: Cross multiply
    125,675.44x = 188,473.20 × 41,419.90
  4. Step 4: Simplify right side
    125,675.44x = 7,806,541,096.68
  5. Step 5: Solve for x
    x = 7,806,541,096.68/125,675.44
  6. Step 6: Final answer
    x = 62,116.68

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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.