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Finding the Fourth Proportional to 125,652.80, 188,476.60 and 41,418.02

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Solution

The fourth proportional to 125,652.80, 188,476.60 and 41,418.02 is: 62,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,652.80 : 188,476.60 = 41,418.02 : x
  2. Step 2: Convert to fraction form
    125,652.80/188,476.60 = 41,418.02/x
  3. Step 3: Cross multiply
    125,652.80x = 188,476.60 × 41,418.02
  4. Step 4: Simplify right side
    125,652.80x = 7,806,326,438.86
  5. Step 5: Solve for x
    x = 7,806,326,438.86/125,652.80
  6. Step 6: Final answer
    x = 62,126.17

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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.