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Finding the Fourth Proportional to 124,882.20, 187,347.60 and 36,138.60

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Solution

The fourth proportional to 124,882.20, 187,347.60 and 36,138.60 is: 54,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,882.20 : 187,347.60 = 36,138.60 : x
  2. Step 2: Convert to fraction form
    124,882.20/187,347.60 = 36,138.60/x
  3. Step 3: Cross multiply
    124,882.20x = 187,347.60 × 36,138.60
  4. Step 4: Simplify right side
    124,882.20x = 6,770,479,977.36
  5. Step 5: Solve for x
    x = 6,770,479,977.36/124,882.20
  6. Step 6: Final answer
    x = 54,214.93

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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.