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Finding the Fourth Proportional to 108,872.92, 150,245.22 and 61,126.84

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Solution

The fourth proportional to 108,872.92, 150,245.22 and 61,126.84 is: 84,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872.92 : 150,245.22 = 61,126.84 : x
  2. Step 2: Convert to fraction form
    108,872.92/150,245.22 = 61,126.84/x
  3. Step 3: Cross multiply
    108,872.92x = 150,245.22 × 61,126.84
  4. Step 4: Simplify right side
    108,872.92x = 9,184,015,523.70
  5. Step 5: Solve for x
    x = 9,184,015,523.70/108,872.92
  6. Step 6: Final answer
    x = 84,355.37

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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.