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Finding the Fourth Proportional to 108,022.80, 162,034.20 and 68,164.73

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Solution

The fourth proportional to 108,022.80, 162,034.20 and 68,164.73 is: 102,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.80 : 162,034.20 = 68,164.73 : x
  2. Step 2: Convert to fraction form
    108,022.80/162,034.20 = 68,164.73/x
  3. Step 3: Cross multiply
    108,022.80x = 162,034.20 × 68,164.73
  4. Step 4: Simplify right side
    108,022.80x = 11,045,016,683.60
  5. Step 5: Solve for x
    x = 11,045,016,683.60/108,022.80
  6. Step 6: Final answer
    x = 102,247.09

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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.