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Finding the Fourth Proportional to 178,304.40, 267,067.80 and 158,605.20

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Solution

The fourth proportional to 178,304.40, 267,067.80 and 158,605.20 is: 237,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,304.40 : 267,067.80 = 158,605.20 : x
  2. Step 2: Convert to fraction form
    178,304.40/267,067.80 = 158,605.20/x
  3. Step 3: Cross multiply
    178,304.40x = 267,067.80 × 158,605.20
  4. Step 4: Simplify right side
    178,304.40x = 42,358,341,832.56
  5. Step 5: Solve for x
    x = 42,358,341,832.56/178,304.40
  6. Step 6: Final answer
    x = 237,561.95

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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.