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Finding the Fourth Proportional to 118.22, 177.23 and 46.04

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Solution

The fourth proportional to 118.22, 177.23 and 46.04 is: 69.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.22 : 177.23 = 46.04 : x
  2. Step 2: Convert to fraction form
    118.22/177.23 = 46.04/x
  3. Step 3: Cross multiply
    118.22x = 177.23 × 46.04
  4. Step 4: Simplify right side
    118.22x = 8,158.90
  5. Step 5: Solve for x
    x = 8,158.90/118.22
  6. Step 6: Final answer
    x = 69.01

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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.