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Finding the Fourth Proportional to 195,763.70, 293,645.55 and 112,819.70

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Solution

The fourth proportional to 195,763.70, 293,645.55 and 112,819.70 is: 169,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,763.70 : 293,645.55 = 112,819.70 : x
  2. Step 2: Convert to fraction form
    195,763.70/293,645.55 = 112,819.70/x
  3. Step 3: Cross multiply
    195,763.70x = 293,645.55 × 112,819.70
  4. Step 4: Simplify right side
    195,763.70x = 33,129,002,857.34
  5. Step 5: Solve for x
    x = 33,129,002,857.34/195,763.70
  6. Step 6: Final answer
    x = 169,229.55

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1.5x scale

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.