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Finding the Fourth Proportional to 174,255.52, 261,033.28 and 147,486.72

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Solution

The fourth proportional to 174,255.52, 261,033.28 and 147,486.72 is: 220,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,255.52 : 261,033.28 = 147,486.72 : x
  2. Step 2: Convert to fraction form
    174,255.52/261,033.28 = 147,486.72/x
  3. Step 3: Cross multiply
    174,255.52x = 261,033.28 × 147,486.72
  4. Step 4: Simplify right side
    174,255.52x = 38,498,942,278.04
  5. Step 5: Solve for x
    x = 38,498,942,278.04/174,255.52
  6. Step 6: Final answer
    x = 220,933.85

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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.