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Finding the Fourth Proportional to 178,504.76, 267,570.34 and 60,135.21

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Solution

The fourth proportional to 178,504.76, 267,570.34 and 60,135.21 is: 90,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,504.76 : 267,570.34 = 60,135.21 : x
  2. Step 2: Convert to fraction form
    178,504.76/267,570.34 = 60,135.21/x
  3. Step 3: Cross multiply
    178,504.76x = 267,570.34 × 60,135.21
  4. Step 4: Simplify right side
    178,504.76x = 16,090,398,435.33
  5. Step 5: Solve for x
    x = 16,090,398,435.33/178,504.76
  6. Step 6: Final answer
    x = 90,139.88

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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.