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Finding the Fourth Proportional to 124,843.60, 187,265.40 and 41,726.80

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Solution

The fourth proportional to 124,843.60, 187,265.40 and 41,726.80 is: 62,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.60 : 187,265.40 = 41,726.80 : x
  2. Step 2: Convert to fraction form
    124,843.60/187,265.40 = 41,726.80/x
  3. Step 3: Cross multiply
    124,843.60x = 187,265.40 × 41,726.80
  4. Step 4: Simplify right side
    124,843.60x = 7,813,985,892.72
  5. Step 5: Solve for x
    x = 7,813,985,892.72/124,843.60
  6. Step 6: Final answer
    x = 62,590.20

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1.5x scale

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.