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Finding the Fourth Proportional to 172,730.76, 259,096.14 and 67,475.92

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Solution

The fourth proportional to 172,730.76, 259,096.14 and 67,475.92 is: 101,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,730.76 : 259,096.14 = 67,475.92 : x
  2. Step 2: Convert to fraction form
    172,730.76/259,096.14 = 67,475.92/x
  3. Step 3: Cross multiply
    172,730.76x = 259,096.14 × 67,475.92
  4. Step 4: Simplify right side
    172,730.76x = 17,482,750,414.95
  5. Step 5: Solve for x
    x = 17,482,750,414.95/172,730.76
  6. Step 6: Final answer
    x = 101,213.88

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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.