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Finding the Fourth Proportional to 178,793.52, 267,782.04 and 85,364.88

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Solution

The fourth proportional to 178,793.52, 267,782.04 and 85,364.88 is: 127,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,793.52 : 267,782.04 = 85,364.88 : x
  2. Step 2: Convert to fraction form
    178,793.52/267,782.04 = 85,364.88/x
  3. Step 3: Cross multiply
    178,793.52x = 267,782.04 × 85,364.88
  4. Step 4: Simplify right side
    178,793.52x = 22,859,181,710.76
  5. Step 5: Solve for x
    x = 22,859,181,710.76/178,793.52
  6. Step 6: Final answer
    x = 127,852.41

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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.