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Finding the Fourth Proportional to 178,129.20, 267,193.80 and 159,466.80

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Solution

The fourth proportional to 178,129.20, 267,193.80 and 159,466.80 is: 239,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,129.20 : 267,193.80 = 159,466.80 : x
  2. Step 2: Convert to fraction form
    178,129.20/267,193.80 = 159,466.80/x
  3. Step 3: Cross multiply
    178,129.20x = 267,193.80 × 159,466.80
  4. Step 4: Simplify right side
    178,129.20x = 42,608,540,265.84
  5. Step 5: Solve for x
    x = 42,608,540,265.84/178,129.20
  6. Step 6: Final answer
    x = 239,200.20

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1.5x scale

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.