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Finding the Fourth Proportional to 224,559.60, 336,844.80 and 66,793.20

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Solution

The fourth proportional to 224,559.60, 336,844.80 and 66,793.20 is: 100,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,559.60 : 336,844.80 = 66,793.20 : x
  2. Step 2: Convert to fraction form
    224,559.60/336,844.80 = 66,793.20/x
  3. Step 3: Cross multiply
    224,559.60x = 336,844.80 × 66,793.20
  4. Step 4: Simplify right side
    224,559.60x = 22,498,942,095.36
  5. Step 5: Solve for x
    x = 22,498,942,095.36/224,559.60
  6. Step 6: Final answer
    x = 100,191.41

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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.