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Finding the Fourth Proportional to 179,023.96, 268,375.56 and 73,775.80

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Solution

The fourth proportional to 179,023.96, 268,375.56 and 73,775.80 is: 110,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,023.96 : 268,375.56 = 73,775.80 : x
  2. Step 2: Convert to fraction form
    179,023.96/268,375.56 = 73,775.80/x
  3. Step 3: Cross multiply
    179,023.96x = 268,375.56 × 73,775.80
  4. Step 4: Simplify right side
    179,023.96x = 19,799,621,639.45
  5. Step 5: Solve for x
    x = 19,799,621,639.45/179,023.96
  6. Step 6: Final answer
    x = 110,597.61

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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.