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Finding the Fourth Proportional to 185,874.68, 278,655.27 and 80,614.37

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Solution

The fourth proportional to 185,874.68, 278,655.27 and 80,614.37 is: 120,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,874.68 : 278,655.27 = 80,614.37 : x
  2. Step 2: Convert to fraction form
    185,874.68/278,655.27 = 80,614.37/x
  3. Step 3: Cross multiply
    185,874.68x = 278,655.27 × 80,614.37
  4. Step 4: Simplify right side
    185,874.68x = 22,463,617,644.95
  5. Step 5: Solve for x
    x = 22,463,617,644.95/185,874.68
  6. Step 6: Final answer
    x = 120,853.57

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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.