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Finding the Fourth Proportional to 195,921.60, 293,104.80 and 169,915.20

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Solution

The fourth proportional to 195,921.60, 293,104.80 and 169,915.20 is: 254,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,921.60 : 293,104.80 = 169,915.20 : x
  2. Step 2: Convert to fraction form
    195,921.60/293,104.80 = 169,915.20/x
  3. Step 3: Cross multiply
    195,921.60x = 293,104.80 × 169,915.20
  4. Step 4: Simplify right side
    195,921.60x = 49,802,960,712.96
  5. Step 5: Solve for x
    x = 49,802,960,712.96/195,921.60
  6. Step 6: Final answer
    x = 254,198.42

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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.