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Finding the Fourth Proportional to 178,177.20, 267,265.80 and 166,426.80

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Solution

The fourth proportional to 178,177.20, 267,265.80 and 166,426.80 is: 249,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,177.20 : 267,265.80 = 166,426.80 : x
  2. Step 2: Convert to fraction form
    178,177.20/267,265.80 = 166,426.80/x
  3. Step 3: Cross multiply
    178,177.20x = 267,265.80 × 166,426.80
  4. Step 4: Simplify right side
    178,177.20x = 44,480,191,843.44
  5. Step 5: Solve for x
    x = 44,480,191,843.44/178,177.20
  6. Step 6: Final answer
    x = 249,640.20

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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.