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Finding the Fourth Proportional to 178,232.40, 267,348.60 and 115,246.80

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Solution

The fourth proportional to 178,232.40, 267,348.60 and 115,246.80 is: 172,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,232.40 : 267,348.60 = 115,246.80 : x
  2. Step 2: Convert to fraction form
    178,232.40/267,348.60 = 115,246.80/x
  3. Step 3: Cross multiply
    178,232.40x = 267,348.60 × 115,246.80
  4. Step 4: Simplify right side
    178,232.40x = 30,811,070,634.48
  5. Step 5: Solve for x
    x = 30,811,070,634.48/178,232.40
  6. Step 6: Final answer
    x = 172,870.20

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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.