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Finding the Fourth Proportional to 167.71, 251.53 and 59.53

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Solution

The fourth proportional to 167.71, 251.53 and 59.53 is: 89.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.71 : 251.53 = 59.53 : x
  2. Step 2: Convert to fraction form
    167.71/251.53 = 59.53/x
  3. Step 3: Cross multiply
    167.71x = 251.53 × 59.53
  4. Step 4: Simplify right side
    167.71x = 14,973.58
  5. Step 5: Solve for x
    x = 14,973.58/167.71
  6. Step 6: Final answer
    x = 89.28

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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.