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Finding the Fourth Proportional to 110,761.84, 166,039.08 and 61,410.16

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Solution

The fourth proportional to 110,761.84, 166,039.08 and 61,410.16 is: 92,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,761.84 : 166,039.08 = 61,410.16 : x
  2. Step 2: Convert to fraction form
    110,761.84/166,039.08 = 61,410.16/x
  3. Step 3: Cross multiply
    110,761.84x = 166,039.08 × 61,410.16
  4. Step 4: Simplify right side
    110,761.84x = 10,196,486,469.05
  5. Step 5: Solve for x
    x = 10,196,486,469.05/110,761.84
  6. Step 6: Final answer
    x = 92,057.76

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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.