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Finding the Fourth Proportional to 195,553.80, 293,257.80 and 77,200.65

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Solution

The fourth proportional to 195,553.80, 293,257.80 and 77,200.65 is: 115,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,553.80 : 293,257.80 = 77,200.65 : x
  2. Step 2: Convert to fraction form
    195,553.80/293,257.80 = 77,200.65/x
  3. Step 3: Cross multiply
    195,553.80x = 293,257.80 × 77,200.65
  4. Step 4: Simplify right side
    195,553.80x = 22,639,692,777.57
  5. Step 5: Solve for x
    x = 22,639,692,777.57/195,553.80
  6. Step 6: Final answer
    x = 115,772.20

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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.