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Finding the Fourth Proportional to 192,301.74, 288,555.88 and 80,059.43

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Solution

The fourth proportional to 192,301.74, 288,555.88 and 80,059.43 is: 120,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,301.74 : 288,555.88 = 80,059.43 : x
  2. Step 2: Convert to fraction form
    192,301.74/288,555.88 = 80,059.43/x
  3. Step 3: Cross multiply
    192,301.74x = 288,555.88 × 80,059.43
  4. Step 4: Simplify right side
    192,301.74x = 23,101,619,275.95
  5. Step 5: Solve for x
    x = 23,101,619,275.95/192,301.74
  6. Step 6: Final answer
    x = 120,132.14

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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.