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Finding the Fourth Proportional to 367,987.49, 551,801.31 and 151,805.96

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Solution

The fourth proportional to 367,987.49, 551,801.31 and 151,805.96 is: 227,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,987.49 : 551,801.31 = 151,805.96 : x
  2. Step 2: Convert to fraction form
    367,987.49/551,801.31 = 151,805.96/x
  3. Step 3: Cross multiply
    367,987.49x = 551,801.31 × 151,805.96
  4. Step 4: Simplify right side
    367,987.49x = 83,766,724,834.80
  5. Step 5: Solve for x
    x = 83,766,724,834.80/367,987.49
  6. Step 6: Final answer
    x = 227,634.71

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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.