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Finding the Fourth Proportional to 124,884.68, 187,314.71 and 40,641.44

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Solution

The fourth proportional to 124,884.68, 187,314.71 and 40,641.44 is: 60,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,884.68 : 187,314.71 = 40,641.44 : x
  2. Step 2: Convert to fraction form
    124,884.68/187,314.71 = 40,641.44/x
  3. Step 3: Cross multiply
    124,884.68x = 187,314.71 × 40,641.44
  4. Step 4: Simplify right side
    124,884.68x = 7,612,738,407.80
  5. Step 5: Solve for x
    x = 7,612,738,407.80/124,884.68
  6. Step 6: Final answer
    x = 60,958.15

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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.