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Finding the Fourth Proportional to 174,518.88, 261,778.31 and 49,859.88

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Solution

The fourth proportional to 174,518.88, 261,778.31 and 49,859.88 is: 74,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,518.88 : 261,778.31 = 49,859.88 : x
  2. Step 2: Convert to fraction form
    174,518.88/261,778.31 = 49,859.88/x
  3. Step 3: Cross multiply
    174,518.88x = 261,778.31 × 49,859.88
  4. Step 4: Simplify right side
    174,518.88x = 13,052,235,123.20
  5. Step 5: Solve for x
    x = 13,052,235,123.20/174,518.88
  6. Step 6: Final answer
    x = 74,789.82

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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.