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Finding the Fourth Proportional to 155.44, 232.98 and 146.44

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Solution

The fourth proportional to 155.44, 232.98 and 146.44 is: 219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.44 : 232.98 = 146.44 : x
  2. Step 2: Convert to fraction form
    155.44/232.98 = 146.44/x
  3. Step 3: Cross multiply
    155.44x = 232.98 × 146.44
  4. Step 4: Simplify right side
    155.44x = 34,117.59
  5. Step 5: Solve for x
    x = 34,117.59/155.44
  6. Step 6: Final answer
    x = 219.49

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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.