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Finding the Fourth Proportional to 195,595.40, 293,306.70 and 77,227.40

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Solution

The fourth proportional to 195,595.40, 293,306.70 and 77,227.40 is: 115,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,595.40 : 293,306.70 = 77,227.40 : x
  2. Step 2: Convert to fraction form
    195,595.40/293,306.70 = 77,227.40/x
  3. Step 3: Cross multiply
    195,595.40x = 293,306.70 × 77,227.40
  4. Step 4: Simplify right side
    195,595.40x = 22,651,313,843.58
  5. Step 5: Solve for x
    x = 22,651,313,843.58/195,595.40
  6. Step 6: Final answer
    x = 115,806.99

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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.