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Finding the Fourth Proportional to 179,049.60, 268,698.60 and 134,769.60

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Solution

The fourth proportional to 179,049.60, 268,698.60 and 134,769.60 is: 202,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,049.60 : 268,698.60 = 134,769.60 : x
  2. Step 2: Convert to fraction form
    179,049.60/268,698.60 = 134,769.60/x
  3. Step 3: Cross multiply
    179,049.60x = 268,698.60 × 134,769.60
  4. Step 4: Simplify right side
    179,049.60x = 36,212,402,842.56
  5. Step 5: Solve for x
    x = 36,212,402,842.56/179,049.60
  6. Step 6: Final answer
    x = 202,247.88

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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.