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Finding the Fourth Proportional to 178,633.55, 267,974.90 and 66,304.24

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Solution

The fourth proportional to 178,633.55, 267,974.90 and 66,304.24 is: 99,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,633.55 : 267,974.90 = 66,304.24 : x
  2. Step 2: Convert to fraction form
    178,633.55/267,974.90 = 66,304.24/x
  3. Step 3: Cross multiply
    178,633.55x = 267,974.90 × 66,304.24
  4. Step 4: Simplify right side
    178,633.55x = 17,767,872,083.58
  5. Step 5: Solve for x
    x = 17,767,872,083.58/178,633.55
  6. Step 6: Final answer
    x = 99,465.48

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1.5x scale

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.