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Finding the Fourth Proportional to 167.16, 250.02 and 117.60

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Solution

The fourth proportional to 167.16, 250.02 and 117.60 is: 175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.16 : 250.02 = 117.60 : x
  2. Step 2: Convert to fraction form
    167.16/250.02 = 117.60/x
  3. Step 3: Cross multiply
    167.16x = 250.02 × 117.60
  4. Step 4: Simplify right side
    167.16x = 29,402.35
  5. Step 5: Solve for x
    x = 29,402.35/167.16
  6. Step 6: Final answer
    x = 175.89

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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.