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Finding the Fourth Proportional to 179,003.60, 268,198.20 and 85,307.60

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Solution

The fourth proportional to 179,003.60, 268,198.20 and 85,307.60 is: 127,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,003.60 : 268,198.20 = 85,307.60 : x
  2. Step 2: Convert to fraction form
    179,003.60/268,198.20 = 85,307.60/x
  3. Step 3: Cross multiply
    179,003.60x = 268,198.20 × 85,307.60
  4. Step 4: Simplify right side
    179,003.60x = 22,879,344,766.32
  5. Step 5: Solve for x
    x = 22,879,344,766.32/179,003.60
  6. Step 6: Final answer
    x = 127,815.00

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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.