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Finding the Fourth Proportional to 108,059.15, 162,101.66 and 33,169.48

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Solution

The fourth proportional to 108,059.15, 162,101.66 and 33,169.48 is: 49,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,059.15 : 162,101.66 = 33,169.48 : x
  2. Step 2: Convert to fraction form
    108,059.15/162,101.66 = 33,169.48/x
  3. Step 3: Cross multiply
    108,059.15x = 162,101.66 × 33,169.48
  4. Step 4: Simplify right side
    108,059.15x = 5,376,827,769.34
  5. Step 5: Solve for x
    x = 5,376,827,769.34/108,059.15
  6. Step 6: Final answer
    x = 49,758.19

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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.