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Finding the Fourth Proportional to 110.04, 151.97 and 75

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Solution

The fourth proportional to 110.04, 151.97 and 75 is: 103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.04 : 151.97 = 75 : x
  2. Step 2: Convert to fraction form
    110.04/151.97 = 75/x
  3. Step 3: Cross multiply
    110.04x = 151.97 × 75
  4. Step 4: Simplify right side
    110.04x = 11,397.75
  5. Step 5: Solve for x
    x = 11,397.75/110.04
  6. Step 6: Final answer
    x = 103.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.