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Finding the Fourth Proportional to 134,418.80, 201,628.20 and 132,345.20

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Solution

The fourth proportional to 134,418.80, 201,628.20 and 132,345.20 is: 198,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,418.80 : 201,628.20 = 132,345.20 : x
  2. Step 2: Convert to fraction form
    134,418.80/201,628.20 = 132,345.20/x
  3. Step 3: Cross multiply
    134,418.80x = 201,628.20 × 132,345.20
  4. Step 4: Simplify right side
    134,418.80x = 26,684,524,454.64
  5. Step 5: Solve for x
    x = 26,684,524,454.64/134,418.80
  6. Step 6: Final answer
    x = 198,517.80

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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.