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Finding the Fourth Proportional to 267,497.71, 401,247.27 and 67,818.20

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Solution

The fourth proportional to 267,497.71, 401,247.27 and 67,818.20 is: 101,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,497.71 : 401,247.27 = 67,818.20 : x
  2. Step 2: Convert to fraction form
    267,497.71/401,247.27 = 67,818.20/x
  3. Step 3: Cross multiply
    267,497.71x = 401,247.27 × 67,818.20
  4. Step 4: Simplify right side
    267,497.71x = 27,211,865,600.08
  5. Step 5: Solve for x
    x = 27,211,865,600.08/267,497.71
  6. Step 6: Final answer
    x = 101,727.47

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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.