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Finding the Fourth Proportional to 108,006.30, 162,009.45 and 95,321.70

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Solution

The fourth proportional to 108,006.30, 162,009.45 and 95,321.70 is: 142,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,006.30 : 162,009.45 = 95,321.70 : x
  2. Step 2: Convert to fraction form
    108,006.30/162,009.45 = 95,321.70/x
  3. Step 3: Cross multiply
    108,006.30x = 162,009.45 × 95,321.70
  4. Step 4: Simplify right side
    108,006.30x = 15,443,016,190.07
  5. Step 5: Solve for x
    x = 15,443,016,190.07/108,006.30
  6. Step 6: Final answer
    x = 142,982.55

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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.