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Finding the Fourth Proportional to 123,856.59, 185,737.34 and 52,734.13

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Solution

The fourth proportional to 123,856.59, 185,737.34 and 52,734.13 is: 79,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,856.59 : 185,737.34 = 52,734.13 : x
  2. Step 2: Convert to fraction form
    123,856.59/185,737.34 = 52,734.13/x
  3. Step 3: Cross multiply
    123,856.59x = 185,737.34 × 52,734.13
  4. Step 4: Simplify right side
    123,856.59x = 9,794,697,033.41
  5. Step 5: Solve for x
    x = 9,794,697,033.41/123,856.59
  6. Step 6: Final answer
    x = 79,080.95

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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.