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Finding the Fourth Proportional to 135,008.52, 202,512.10 and 126,787.22

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Solution

The fourth proportional to 135,008.52, 202,512.10 and 126,787.22 is: 190,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,008.52 : 202,512.10 = 126,787.22 : x
  2. Step 2: Convert to fraction form
    135,008.52/202,512.10 = 126,787.22/x
  3. Step 3: Cross multiply
    135,008.52x = 202,512.10 × 126,787.22
  4. Step 4: Simplify right side
    135,008.52x = 25,675,946,982.11
  5. Step 5: Solve for x
    x = 25,675,946,982.11/135,008.52
  6. Step 6: Final answer
    x = 190,180.19

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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.