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Finding the Fourth Proportional to 123,697.51, 185,545.78 and 44,793.28

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Solution

The fourth proportional to 123,697.51, 185,545.78 and 44,793.28 is: 67,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,697.51 : 185,545.78 = 44,793.28 : x
  2. Step 2: Convert to fraction form
    123,697.51/185,545.78 = 44,793.28/x
  3. Step 3: Cross multiply
    123,697.51x = 185,545.78 × 44,793.28
  4. Step 4: Simplify right side
    123,697.51x = 8,311,204,076.36
  5. Step 5: Solve for x
    x = 8,311,204,076.36/123,697.51
  6. Step 6: Final answer
    x = 67,189.74

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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.