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Finding the Fourth Proportional to 195,706.28, 293,690.82 and 71,047.28

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Solution

The fourth proportional to 195,706.28, 293,690.82 and 71,047.28 is: 106,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,706.28 : 293,690.82 = 71,047.28 : x
  2. Step 2: Convert to fraction form
    195,706.28/293,690.82 = 71,047.28/x
  3. Step 3: Cross multiply
    195,706.28x = 293,690.82 × 71,047.28
  4. Step 4: Simplify right side
    195,706.28x = 20,865,933,921.97
  5. Step 5: Solve for x
    x = 20,865,933,921.97/195,706.28
  6. Step 6: Final answer
    x = 106,618.62

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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.