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Finding the Fourth Proportional to 178,570.44, 267,871.38 and 66,251.88

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Solution

The fourth proportional to 178,570.44, 267,871.38 and 66,251.88 is: 99,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,570.44 : 267,871.38 = 66,251.88 : x
  2. Step 2: Convert to fraction form
    178,570.44/267,871.38 = 66,251.88/x
  3. Step 3: Cross multiply
    178,570.44x = 267,871.38 × 66,251.88
  4. Step 4: Simplify right side
    178,570.44x = 17,746,982,523.19
  5. Step 5: Solve for x
    x = 17,746,982,523.19/178,570.44
  6. Step 6: Final answer
    x = 99,383.65

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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.