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Finding the Fourth Proportional to 266,473.88, 367,732.56 and 157,617.20

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Solution

The fourth proportional to 266,473.88, 367,732.56 and 157,617.20 is: 217,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,473.88 : 367,732.56 = 157,617.20 : x
  2. Step 2: Convert to fraction form
    266,473.88/367,732.56 = 157,617.20/x
  3. Step 3: Cross multiply
    266,473.88x = 367,732.56 × 157,617.20
  4. Step 4: Simplify right side
    266,473.88x = 57,960,976,456.03
  5. Step 5: Solve for x
    x = 57,960,976,456.03/266,473.88
  6. Step 6: Final answer
    x = 217,510.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.