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Finding the Fourth Proportional to 111.46, 167.23 and 60.04

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Solution

The fourth proportional to 111.46, 167.23 and 60.04 is: 90.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.46 : 167.23 = 60.04 : x
  2. Step 2: Convert to fraction form
    111.46/167.23 = 60.04/x
  3. Step 3: Cross multiply
    111.46x = 167.23 × 60.04
  4. Step 4: Simplify right side
    111.46x = 10,040.77
  5. Step 5: Solve for x
    x = 10,040.77/111.46
  6. Step 6: Final answer
    x = 90.08

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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.