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Finding the Fourth Proportional to 108,221.90, 162,350.60 and 33,340.39

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Solution

The fourth proportional to 108,221.90, 162,350.60 and 33,340.39 is: 50,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.90 : 162,350.60 = 33,340.39 : x
  2. Step 2: Convert to fraction form
    108,221.90/162,350.60 = 33,340.39/x
  3. Step 3: Cross multiply
    108,221.90x = 162,350.60 × 33,340.39
  4. Step 4: Simplify right side
    108,221.90x = 5,412,831,748.16
  5. Step 5: Solve for x
    x = 5,412,831,748.16/108,221.90
  6. Step 6: Final answer
    x = 50,016.05

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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.