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Finding the Fourth Proportional to 124,843.68, 187,352.64 and 54,743.04

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Solution

The fourth proportional to 124,843.68, 187,352.64 and 54,743.04 is: 82,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.68 : 187,352.64 = 54,743.04 : x
  2. Step 2: Convert to fraction form
    124,843.68/187,352.64 = 54,743.04/x
  3. Step 3: Cross multiply
    124,843.68x = 187,352.64 × 54,743.04
  4. Step 4: Simplify right side
    124,843.68x = 10,256,253,065.63
  5. Step 5: Solve for x
    x = 10,256,253,065.63/124,843.68
  6. Step 6: Final answer
    x = 82,152.76

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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.