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Finding the Fourth Proportional to 167.02, 250.53 and 140.14

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Solution

The fourth proportional to 167.02, 250.53 and 140.14 is: 210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.02 : 250.53 = 140.14 : x
  2. Step 2: Convert to fraction form
    167.02/250.53 = 140.14/x
  3. Step 3: Cross multiply
    167.02x = 250.53 × 140.14
  4. Step 4: Simplify right side
    167.02x = 35,109.27
  5. Step 5: Solve for x
    x = 35,109.27/167.02
  6. Step 6: Final answer
    x = 210.21

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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.