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Finding the Fourth Proportional to 121,396.52, 182,114.22 and 51,276.44

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Solution

The fourth proportional to 121,396.52, 182,114.22 and 51,276.44 is: 76,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,396.52 : 182,114.22 = 51,276.44 : x
  2. Step 2: Convert to fraction form
    121,396.52/182,114.22 = 51,276.44/x
  3. Step 3: Cross multiply
    121,396.52x = 182,114.22 × 51,276.44
  4. Step 4: Simplify right side
    121,396.52x = 9,338,169,522.55
  5. Step 5: Solve for x
    x = 9,338,169,522.55/121,396.52
  6. Step 6: Final answer
    x = 76,922.87

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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.