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Finding the Fourth Proportional to 178,463.67, 267,720.20 and 60,168.84

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Solution

The fourth proportional to 178,463.67, 267,720.20 and 60,168.84 is: 90,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,463.67 : 267,720.20 = 60,168.84 : x
  2. Step 2: Convert to fraction form
    178,463.67/267,720.20 = 60,168.84/x
  3. Step 3: Cross multiply
    178,463.67x = 267,720.20 × 60,168.84
  4. Step 4: Simplify right side
    178,463.67x = 16,108,413,878.57
  5. Step 5: Solve for x
    x = 16,108,413,878.57/178,463.67
  6. Step 6: Final answer
    x = 90,261.59

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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.