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Finding the Fourth Proportional to 125,877.15, 188,843.51 and 41,663.55

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Solution

The fourth proportional to 125,877.15, 188,843.51 and 41,663.55 is: 62,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,877.15 : 188,843.51 = 41,663.55 : x
  2. Step 2: Convert to fraction form
    125,877.15/188,843.51 = 41,663.55/x
  3. Step 3: Cross multiply
    125,877.15x = 188,843.51 × 41,663.55
  4. Step 4: Simplify right side
    125,877.15x = 7,867,890,812.74
  5. Step 5: Solve for x
    x = 7,867,890,812.74/125,877.15
  6. Step 6: Final answer
    x = 62,504.52

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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.