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Finding the Fourth Proportional to 57,560.80, 86,168.40 and 34,175.20

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Solution

The fourth proportional to 57,560.80, 86,168.40 and 34,175.20 is: 51,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,560.80 : 86,168.40 = 34,175.20 : x
  2. Step 2: Convert to fraction form
    57,560.80/86,168.40 = 34,175.20/x
  3. Step 3: Cross multiply
    57,560.80x = 86,168.40 × 34,175.20
  4. Step 4: Simplify right side
    57,560.80x = 2,944,822,303.68
  5. Step 5: Solve for x
    x = 2,944,822,303.68/57,560.80
  6. Step 6: Final answer
    x = 51,160.20

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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.