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Finding the Fourth Proportional to 251,298.96, 376,498.80 and 132,704.88

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Solution

The fourth proportional to 251,298.96, 376,498.80 and 132,704.88 is: 198,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,298.96 : 376,498.80 = 132,704.88 : x
  2. Step 2: Convert to fraction form
    251,298.96/376,498.80 = 132,704.88/x
  3. Step 3: Cross multiply
    251,298.96x = 376,498.80 × 132,704.88
  4. Step 4: Simplify right side
    251,298.96x = 49,963,228,074.14
  5. Step 5: Solve for x
    x = 49,963,228,074.14/251,298.96
  6. Step 6: Final answer
    x = 198,819.88

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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.