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Finding the Fourth Proportional to 171,251.12, 256,812.96 and 58,899.80

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Solution

The fourth proportional to 171,251.12, 256,812.96 and 58,899.80 is: 88,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,251.12 : 256,812.96 = 58,899.80 : x
  2. Step 2: Convert to fraction form
    171,251.12/256,812.96 = 58,899.80/x
  3. Step 3: Cross multiply
    171,251.12x = 256,812.96 × 58,899.80
  4. Step 4: Simplify right side
    171,251.12x = 15,126,231,981.41
  5. Step 5: Solve for x
    x = 15,126,231,981.41/171,251.12
  6. Step 6: Final answer
    x = 88,327.78

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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.