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Finding the Fourth Proportional to 108,022.70, 162,034.05 and 101,456.30

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Solution

The fourth proportional to 108,022.70, 162,034.05 and 101,456.30 is: 152,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.70 : 162,034.05 = 101,456.30 : x
  2. Step 2: Convert to fraction form
    108,022.70/162,034.05 = 101,456.30/x
  3. Step 3: Cross multiply
    108,022.70x = 162,034.05 × 101,456.30
  4. Step 4: Simplify right side
    108,022.70x = 16,439,375,187.02
  5. Step 5: Solve for x
    x = 16,439,375,187.02/108,022.70
  6. Step 6: Final answer
    x = 152,184.45

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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.