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Finding the Fourth Proportional to 367,356.93, 551,248.02 and 154,105.80

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Solution

The fourth proportional to 367,356.93, 551,248.02 and 154,105.80 is: 231,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,356.93 : 551,248.02 = 154,105.80 : x
  2. Step 2: Convert to fraction form
    367,356.93/551,248.02 = 154,105.80/x
  3. Step 3: Cross multiply
    367,356.93x = 551,248.02 × 154,105.80
  4. Step 4: Simplify right side
    367,356.93x = 84,950,517,120.52
  5. Step 5: Solve for x
    x = 84,950,517,120.52/367,356.93
  6. Step 6: Final answer
    x = 231,247.90

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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.