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Finding the Fourth Proportional to 125,754.30, 188,654.73 and 41,520.33

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Solution

The fourth proportional to 125,754.30, 188,654.73 and 41,520.33 is: 62,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,754.30 : 188,654.73 = 41,520.33 : x
  2. Step 2: Convert to fraction form
    125,754.30/188,654.73 = 41,520.33/x
  3. Step 3: Cross multiply
    125,754.30x = 188,654.73 × 41,520.33
  4. Step 4: Simplify right side
    125,754.30x = 7,833,006,645.66
  5. Step 5: Solve for x
    x = 7,833,006,645.66/125,754.30
  6. Step 6: Final answer
    x = 62,288.18

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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.