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Finding the Fourth Proportional to 185,843.30, 278,753.65 and 65,906.19

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Solution

The fourth proportional to 185,843.30, 278,753.65 and 65,906.19 is: 98,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,843.30 : 278,753.65 = 65,906.19 : x
  2. Step 2: Convert to fraction form
    185,843.30/278,753.65 = 65,906.19/x
  3. Step 3: Cross multiply
    185,843.30x = 278,753.65 × 65,906.19
  4. Step 4: Simplify right side
    185,843.30x = 18,371,591,226.05
  5. Step 5: Solve for x
    x = 18,371,591,226.05/185,843.30
  6. Step 6: Final answer
    x = 98,855.28

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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.