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Finding the Fourth Proportional to 267,686.70, 369,267.72 and 158,727.64

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Solution

The fourth proportional to 267,686.70, 369,267.72 and 158,727.64 is: 218,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,686.70 : 369,267.72 = 158,727.64 : x
  2. Step 2: Convert to fraction form
    267,686.70/369,267.72 = 158,727.64/x
  3. Step 3: Cross multiply
    267,686.70x = 369,267.72 × 158,727.64
  4. Step 4: Simplify right side
    267,686.70x = 58,612,993,723.78
  5. Step 5: Solve for x
    x = 58,612,993,723.78/267,686.70
  6. Step 6: Final answer
    x = 218,961.17

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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.