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Finding the Fourth Proportional to 110.59, 166.01 and 70.04

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Solution

The fourth proportional to 110.59, 166.01 and 70.04 is: 105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.59 : 166.01 = 70.04 : x
  2. Step 2: Convert to fraction form
    110.59/166.01 = 70.04/x
  3. Step 3: Cross multiply
    110.59x = 166.01 × 70.04
  4. Step 4: Simplify right side
    110.59x = 11,626.16
  5. Step 5: Solve for x
    x = 11,626.16/110.59
  6. Step 6: Final answer
    x = 105.13

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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.