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Finding the Fourth Proportional to 251,310.60, 377,031.51 and 131,375.52

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Solution

The fourth proportional to 251,310.60, 377,031.51 and 131,375.52 is: 197,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,310.60 : 377,031.51 = 131,375.52 : x
  2. Step 2: Convert to fraction form
    251,310.60/377,031.51 = 131,375.52/x
  3. Step 3: Cross multiply
    251,310.60x = 377,031.51 × 131,375.52
  4. Step 4: Simplify right side
    251,310.60x = 49,532,710,682.64
  5. Step 5: Solve for x
    x = 49,532,710,682.64/251,310.60
  6. Step 6: Final answer
    x = 197,097.58

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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.