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Finding the Fourth Proportional to 123,373.92, 185,033.20 and 56,750.08

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Solution

The fourth proportional to 123,373.92, 185,033.20 and 56,750.08 is: 85,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,373.92 : 185,033.20 = 56,750.08 : x
  2. Step 2: Convert to fraction form
    123,373.92/185,033.20 = 56,750.08/x
  3. Step 3: Cross multiply
    123,373.92x = 185,033.20 × 56,750.08
  4. Step 4: Simplify right side
    123,373.92x = 10,500,648,902.66
  5. Step 5: Solve for x
    x = 10,500,648,902.66/123,373.92
  6. Step 6: Final answer
    x = 85,112.39

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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.