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Finding the Fourth Proportional to 67,154.63, 100,731.96 and 17,234.73

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Solution

The fourth proportional to 67,154.63, 100,731.96 and 17,234.73 is: 25,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154.63 : 100,731.96 = 17,234.73 : x
  2. Step 2: Convert to fraction form
    67,154.63/100,731.96 = 17,234.73/x
  3. Step 3: Cross multiply
    67,154.63x = 100,731.96 × 17,234.73
  4. Step 4: Simplify right side
    67,154.63x = 1,736,088,132.97
  5. Step 5: Solve for x
    x = 1,736,088,132.97/67,154.63
  6. Step 6: Final answer
    x = 25,852.10

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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.