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Finding the Fourth Proportional to 178,342.83, 267,549.21 and 66,023.91

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Solution

The fourth proportional to 178,342.83, 267,549.21 and 66,023.91 is: 99,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,342.83 : 267,549.21 = 66,023.91 : x
  2. Step 2: Convert to fraction form
    178,342.83/267,549.21 = 66,023.91/x
  3. Step 3: Cross multiply
    178,342.83x = 267,549.21 × 66,023.91
  4. Step 4: Simplify right side
    178,342.83x = 17,664,644,961.61
  5. Step 5: Solve for x
    x = 17,664,644,961.61/178,342.83
  6. Step 6: Final answer
    x = 99,048.81

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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.