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Finding the Fourth Proportional to 195,858, 270,366.72 and 132,281.91

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Solution

The fourth proportional to 195,858, 270,366.72 and 132,281.91 is: 182,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,858 : 270,366.72 = 132,281.91 : x
  2. Step 2: Convert to fraction form
    195,858/270,366.72 = 132,281.91/x
  3. Step 3: Cross multiply
    195,858x = 270,366.72 × 132,281.91
  4. Step 4: Simplify right side
    195,858x = 35,764,626,122.04
  5. Step 5: Solve for x
    x = 35,764,626,122.04/195,858
  6. Step 6: Final answer
    x = 182,604.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.