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Finding the Fourth Proportional to 167,251.05, 230,808.15 and 90,770.81

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Solution

The fourth proportional to 167,251.05, 230,808.15 and 90,770.81 is: 125,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,251.05 : 230,808.15 = 90,770.81 : x
  2. Step 2: Convert to fraction form
    167,251.05/230,808.15 = 90,770.81/x
  3. Step 3: Cross multiply
    167,251.05x = 230,808.15 × 90,770.81
  4. Step 4: Simplify right side
    167,251.05x = 20,950,641,576.06
  5. Step 5: Solve for x
    x = 20,950,641,576.06/167,251.05
  6. Step 6: Final answer
    x = 125,264.63

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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.