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Finding the Fourth Proportional to 171,057.40, 256,561.80 and 58,742.80

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Solution

The fourth proportional to 171,057.40, 256,561.80 and 58,742.80 is: 88,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,057.40 : 256,561.80 = 58,742.80 : x
  2. Step 2: Convert to fraction form
    171,057.40/256,561.80 = 58,742.80/x
  3. Step 3: Cross multiply
    171,057.40x = 256,561.80 × 58,742.80
  4. Step 4: Simplify right side
    171,057.40x = 15,071,158,505.04
  5. Step 5: Solve for x
    x = 15,071,158,505.04/171,057.40
  6. Step 6: Final answer
    x = 88,105.86

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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.