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Finding the Fourth Proportional to 116.29, 174.23 and 112.07

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Solution

The fourth proportional to 116.29, 174.23 and 112.07 is: 167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.29 : 174.23 = 112.07 : x
  2. Step 2: Convert to fraction form
    116.29/174.23 = 112.07/x
  3. Step 3: Cross multiply
    116.29x = 174.23 × 112.07
  4. Step 4: Simplify right side
    116.29x = 19,525.96
  5. Step 5: Solve for x
    x = 19,525.96/116.29
  6. Step 6: Final answer
    x = 167.91

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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.