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Finding the Fourth Proportional to 57,197.25, 78,932.21 and 34,841.25

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Solution

The fourth proportional to 57,197.25, 78,932.21 and 34,841.25 is: 48,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.25 : 78,932.21 = 34,841.25 : x
  2. Step 2: Convert to fraction form
    57,197.25/78,932.21 = 34,841.25/x
  3. Step 3: Cross multiply
    57,197.25x = 78,932.21 × 34,841.25
  4. Step 4: Simplify right side
    57,197.25x = 2,750,096,687.46
  5. Step 5: Solve for x
    x = 2,750,096,687.46/57,197.25
  6. Step 6: Final answer
    x = 48,080.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.