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Finding the Fourth Proportional to 267,382.46, 401,074.38 and 67,702.88

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Solution

The fourth proportional to 267,382.46, 401,074.38 and 67,702.88 is: 101,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,382.46 : 401,074.38 = 67,702.88 : x
  2. Step 2: Convert to fraction form
    267,382.46/401,074.38 = 67,702.88/x
  3. Step 3: Cross multiply
    267,382.46x = 401,074.38 × 67,702.88
  4. Step 4: Simplify right side
    267,382.46x = 27,153,890,620.21
  5. Step 5: Solve for x
    x = 27,153,890,620.21/267,382.46
  6. Step 6: Final answer
    x = 101,554.49

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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.