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Finding the Fourth Proportional to 108,555.75, 162,836.82 and 92,660.56

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Solution

The fourth proportional to 108,555.75, 162,836.82 and 92,660.56 is: 138,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,555.75 : 162,836.82 = 92,660.56 : x
  2. Step 2: Convert to fraction form
    108,555.75/162,836.82 = 92,660.56/x
  3. Step 3: Cross multiply
    108,555.75x = 162,836.82 × 92,660.56
  4. Step 4: Simplify right side
    108,555.75x = 15,088,550,522.73
  5. Step 5: Solve for x
    x = 15,088,550,522.73/108,555.75
  6. Step 6: Final answer
    x = 138,993.56

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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.