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Finding the Fourth Proportional to 251,753.85, 377,594.33 and 74,252.07

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Solution

The fourth proportional to 251,753.85, 377,594.33 and 74,252.07 is: 111,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,753.85 : 377,594.33 = 74,252.07 : x
  2. Step 2: Convert to fraction form
    251,753.85/377,594.33 = 74,252.07/x
  3. Step 3: Cross multiply
    251,753.85x = 377,594.33 × 74,252.07
  4. Step 4: Simplify right side
    251,753.85x = 28,037,160,251.50
  5. Step 5: Solve for x
    x = 28,037,160,251.50/251,753.85
  6. Step 6: Final answer
    x = 111,367.35

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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.