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Finding the Fourth Proportional to 167,226.56, 230,772.66 and 100,158.56

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Solution

The fourth proportional to 167,226.56, 230,772.66 and 100,158.56 is: 138,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,226.56 : 230,772.66 = 100,158.56 : x
  2. Step 2: Convert to fraction form
    167,226.56/230,772.66 = 100,158.56/x
  3. Step 3: Cross multiply
    167,226.56x = 230,772.66 × 100,158.56
  4. Step 4: Simplify right side
    167,226.56x = 23,113,857,889.90
  5. Step 5: Solve for x
    x = 23,113,857,889.90/167,226.56
  6. Step 6: Final answer
    x = 138,218.82

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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.