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Finding the Fourth Proportional to 222,747.20, 334,120.80 and 195,628.40

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Solution

The fourth proportional to 222,747.20, 334,120.80 and 195,628.40 is: 293,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747.20 : 334,120.80 = 195,628.40 : x
  2. Step 2: Convert to fraction form
    222,747.20/334,120.80 = 195,628.40/x
  3. Step 3: Cross multiply
    222,747.20x = 334,120.80 × 195,628.40
  4. Step 4: Simplify right side
    222,747.20x = 65,363,517,510.72
  5. Step 5: Solve for x
    x = 65,363,517,510.72/222,747.20
  6. Step 6: Final answer
    x = 293,442.60

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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.