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Finding the Fourth Proportional to 185,550.90, 278,310.15 and 60,891.90

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Solution

The fourth proportional to 185,550.90, 278,310.15 and 60,891.90 is: 91,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,550.90 : 278,310.15 = 60,891.90 : x
  2. Step 2: Convert to fraction form
    185,550.90/278,310.15 = 60,891.90/x
  3. Step 3: Cross multiply
    185,550.90x = 278,310.15 × 60,891.90
  4. Step 4: Simplify right side
    185,550.90x = 16,946,833,822.79
  5. Step 5: Solve for x
    x = 16,946,833,822.79/185,550.90
  6. Step 6: Final answer
    x = 91,332.53

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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.