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Finding the Fourth Proportional to 178,419.98, 267,630.44 and 60,174.38

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Solution

The fourth proportional to 178,419.98, 267,630.44 and 60,174.38 is: 90,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,419.98 : 267,630.44 = 60,174.38 : x
  2. Step 2: Convert to fraction form
    178,419.98/267,630.44 = 60,174.38/x
  3. Step 3: Cross multiply
    178,419.98x = 267,630.44 × 60,174.38
  4. Step 4: Simplify right side
    178,419.98x = 16,104,494,157.10
  5. Step 5: Solve for x
    x = 16,104,494,157.10/178,419.98
  6. Step 6: Final answer
    x = 90,261.72

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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.