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Finding the Fourth Proportional to 174,606.80, 261,910.20 and 49,947.80

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Solution

The fourth proportional to 174,606.80, 261,910.20 and 49,947.80 is: 74,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,606.80 : 261,910.20 = 49,947.80 : x
  2. Step 2: Convert to fraction form
    174,606.80/261,910.20 = 49,947.80/x
  3. Step 3: Cross multiply
    174,606.80x = 261,910.20 × 49,947.80
  4. Step 4: Simplify right side
    174,606.80x = 13,081,838,287.56
  5. Step 5: Solve for x
    x = 13,081,838,287.56/174,606.80
  6. Step 6: Final answer
    x = 74,921.70

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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.