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Finding the Fourth Proportional to 171,171.40, 256,757.10 and 52,832.20

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Solution

The fourth proportional to 171,171.40, 256,757.10 and 52,832.20 is: 79,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,171.40 : 256,757.10 = 52,832.20 : x
  2. Step 2: Convert to fraction form
    171,171.40/256,757.10 = 52,832.20/x
  3. Step 3: Cross multiply
    171,171.40x = 256,757.10 × 52,832.20
  4. Step 4: Simplify right side
    171,171.40x = 13,565,042,458.62
  5. Step 5: Solve for x
    x = 13,565,042,458.62/171,171.40
  6. Step 6: Final answer
    x = 79,248.30

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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.