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Finding the Fourth Proportional to 251,080.68, 376,620.90 and 64,092.12

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Solution

The fourth proportional to 251,080.68, 376,620.90 and 64,092.12 is: 96,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,080.68 : 376,620.90 = 64,092.12 : x
  2. Step 2: Convert to fraction form
    251,080.68/376,620.90 = 64,092.12/x
  3. Step 3: Cross multiply
    251,080.68x = 376,620.90 × 64,092.12
  4. Step 4: Simplify right side
    251,080.68x = 24,138,431,917.31
  5. Step 5: Solve for x
    x = 24,138,431,917.31/251,080.68
  6. Step 6: Final answer
    x = 96,138.15

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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.