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Finding the Fourth Proportional to 171,110.80, 256,695.30 and 52,760.08

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Solution

The fourth proportional to 171,110.80, 256,695.30 and 52,760.08 is: 79,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,110.80 : 256,695.30 = 52,760.08 : x
  2. Step 2: Convert to fraction form
    171,110.80/256,695.30 = 52,760.08/x
  3. Step 3: Cross multiply
    171,110.80x = 256,695.30 × 52,760.08
  4. Step 4: Simplify right side
    171,110.80x = 13,543,264,563.62
  5. Step 5: Solve for x
    x = 13,543,264,563.62/171,110.80
  6. Step 6: Final answer
    x = 79,149.09

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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.