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Finding the Fourth Proportional to 178,163.68, 267,245.52 and 72,963.52

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Solution

The fourth proportional to 178,163.68, 267,245.52 and 72,963.52 is: 109,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,163.68 : 267,245.52 = 72,963.52 : x
  2. Step 2: Convert to fraction form
    178,163.68/267,245.52 = 72,963.52/x
  3. Step 3: Cross multiply
    178,163.68x = 267,245.52 × 72,963.52
  4. Step 4: Simplify right side
    178,163.68x = 19,499,173,843.43
  5. Step 5: Solve for x
    x = 19,499,173,843.43/178,163.68
  6. Step 6: Final answer
    x = 109,445.28

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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.