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Finding the Fourth Proportional to 88,170.78, 132,256.20 and 22,506.78

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Solution

The fourth proportional to 88,170.78, 132,256.20 and 22,506.78 is: 33,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.78 : 132,256.20 = 22,506.78 : x
  2. Step 2: Convert to fraction form
    88,170.78/132,256.20 = 22,506.78/x
  3. Step 3: Cross multiply
    88,170.78x = 132,256.20 × 22,506.78
  4. Step 4: Simplify right side
    88,170.78x = 2,976,661,197.04
  5. Step 5: Solve for x
    x = 2,976,661,197.04/88,170.78
  6. Step 6: Final answer
    x = 33,760.18

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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.