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Finding the Fourth Proportional to 179,305.20, 268,957.80 and 104,509.80

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Solution

The fourth proportional to 179,305.20, 268,957.80 and 104,509.80 is: 156,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,305.20 : 268,957.80 = 104,509.80 : x
  2. Step 2: Convert to fraction form
    179,305.20/268,957.80 = 104,509.80/x
  3. Step 3: Cross multiply
    179,305.20x = 268,957.80 × 104,509.80
  4. Step 4: Simplify right side
    179,305.20x = 28,108,725,886.44
  5. Step 5: Solve for x
    x = 28,108,725,886.44/179,305.20
  6. Step 6: Final answer
    x = 156,764.70

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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.