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Finding the Fourth Proportional to 178,367.83, 267,589.29 and 66,048.97

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Solution

The fourth proportional to 178,367.83, 267,589.29 and 66,048.97 is: 99,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,367.83 : 267,589.29 = 66,048.97 : x
  2. Step 2: Convert to fraction form
    178,367.83/267,589.29 = 66,048.97/x
  3. Step 3: Cross multiply
    178,367.83x = 267,589.29 × 66,048.97
  4. Step 4: Simplify right side
    178,367.83x = 17,673,996,987.53
  5. Step 5: Solve for x
    x = 17,673,996,987.53/178,367.83
  6. Step 6: Final answer
    x = 99,087.36

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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.