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Finding the Fourth Proportional to 267,548.69, 369,165.20 and 158,632.91

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Solution

The fourth proportional to 267,548.69, 369,165.20 and 158,632.91 is: 218,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,548.69 : 369,165.20 = 158,632.91 : x
  2. Step 2: Convert to fraction form
    267,548.69/369,165.20 = 158,632.91/x
  3. Step 3: Cross multiply
    267,548.69x = 369,165.20 × 158,632.91
  4. Step 4: Simplify right side
    267,548.69x = 58,561,748,794.93
  5. Step 5: Solve for x
    x = 58,561,748,794.93/267,548.69
  6. Step 6: Final answer
    x = 218,882.58

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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.