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Finding the Fourth Proportional to 267,517.38, 369,171.63 and 146,656.47

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Solution

The fourth proportional to 267,517.38, 369,171.63 and 146,656.47 is: 202,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,517.38 : 369,171.63 = 146,656.47 : x
  2. Step 2: Convert to fraction form
    267,517.38/369,171.63 = 146,656.47/x
  3. Step 3: Cross multiply
    267,517.38x = 369,171.63 × 146,656.47
  4. Step 4: Simplify right side
    267,517.38x = 54,141,408,079.95
  5. Step 5: Solve for x
    x = 54,141,408,079.95/267,517.38
  6. Step 6: Final answer
    x = 202,384.64

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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.