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Finding the Fourth Proportional to 167.58, 250.16 and 153.18

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Solution

The fourth proportional to 167.58, 250.16 and 153.18 is: 228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.58 : 250.16 = 153.18 : x
  2. Step 2: Convert to fraction form
    167.58/250.16 = 153.18/x
  3. Step 3: Cross multiply
    167.58x = 250.16 × 153.18
  4. Step 4: Simplify right side
    167.58x = 38,318.74
  5. Step 5: Solve for x
    x = 38,318.74/167.58
  6. Step 6: Final answer
    x = 228.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.