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Finding the Fourth Proportional to 179,309.20, 268,963.80 and 104,513.80

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Solution

The fourth proportional to 179,309.20, 268,963.80 and 104,513.80 is: 156,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,309.20 : 268,963.80 = 104,513.80 : x
  2. Step 2: Convert to fraction form
    179,309.20/268,963.80 = 104,513.80/x
  3. Step 3: Cross multiply
    179,309.20x = 268,963.80 × 104,513.80
  4. Step 4: Simplify right side
    179,309.20x = 28,110,428,800.44
  5. Step 5: Solve for x
    x = 28,110,428,800.44/179,309.20
  6. Step 6: Final answer
    x = 156,770.70

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1.5x scale

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.