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Finding the Fourth Proportional to 192,163.56, 288,127.06 and 132,264.70

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Solution

The fourth proportional to 192,163.56, 288,127.06 and 132,264.70 is: 198,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,163.56 : 288,127.06 = 132,264.70 : x
  2. Step 2: Convert to fraction form
    192,163.56/288,127.06 = 132,264.70/x
  3. Step 3: Cross multiply
    192,163.56x = 288,127.06 × 132,264.70
  4. Step 4: Simplify right side
    192,163.56x = 38,109,038,101.80
  5. Step 5: Solve for x
    x = 38,109,038,101.80/192,163.56
  6. Step 6: Final answer
    x = 198,315.64

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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.