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Finding the Fourth Proportional to 251,874.55, 377,818.31 and 83,394.55

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Solution

The fourth proportional to 251,874.55, 377,818.31 and 83,394.55 is: 125,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,874.55 : 377,818.31 = 83,394.55 : x
  2. Step 2: Convert to fraction form
    251,874.55/377,818.31 = 83,394.55/x
  3. Step 3: Cross multiply
    251,874.55x = 377,818.31 × 83,394.55
  4. Step 4: Simplify right side
    251,874.55x = 31,507,987,944.21
  5. Step 5: Solve for x
    x = 31,507,987,944.21/251,874.55
  6. Step 6: Final answer
    x = 125,093.97

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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.