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Finding the Fourth Proportional to 167.05, 250.69 and 152.71

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Solution

The fourth proportional to 167.05, 250.69 and 152.71 is: 229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.05 : 250.69 = 152.71 : x
  2. Step 2: Convert to fraction form
    167.05/250.69 = 152.71/x
  3. Step 3: Cross multiply
    167.05x = 250.69 × 152.71
  4. Step 4: Simplify right side
    167.05x = 38,282.87
  5. Step 5: Solve for x
    x = 38,282.87/167.05
  6. Step 6: Final answer
    x = 229.17

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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.