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Finding the Fourth Proportional to 185,874.52, 278,655.06 and 80,614.24

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Solution

The fourth proportional to 185,874.52, 278,655.06 and 80,614.24 is: 120,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,874.52 : 278,655.06 = 80,614.24 : x
  2. Step 2: Convert to fraction form
    185,874.52/278,655.06 = 80,614.24/x
  3. Step 3: Cross multiply
    185,874.52x = 278,655.06 × 80,614.24
  4. Step 4: Simplify right side
    185,874.52x = 22,463,565,884.05
  5. Step 5: Solve for x
    x = 22,463,565,884.05/185,874.52
  6. Step 6: Final answer
    x = 120,853.39

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1.5x scale

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.