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Finding the Fourth Proportional to 108,241.35, 149,276.34 and 67,958.88

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Solution

The fourth proportional to 108,241.35, 149,276.34 and 67,958.88 is: 93,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,241.35 : 149,276.34 = 67,958.88 : x
  2. Step 2: Convert to fraction form
    108,241.35/149,276.34 = 67,958.88/x
  3. Step 3: Cross multiply
    108,241.35x = 149,276.34 × 67,958.88
  4. Step 4: Simplify right side
    108,241.35x = 10,144,652,876.90
  5. Step 5: Solve for x
    x = 10,144,652,876.90/108,241.35
  6. Step 6: Final answer
    x = 93,722.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.