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Finding the Fourth Proportional to 155.95, 233.68 and 104.41

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Solution

The fourth proportional to 155.95, 233.68 and 104.41 is: 156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.95 : 233.68 = 104.41 : x
  2. Step 2: Convert to fraction form
    155.95/233.68 = 104.41/x
  3. Step 3: Cross multiply
    155.95x = 233.68 × 104.41
  4. Step 4: Simplify right side
    155.95x = 24,397.73
  5. Step 5: Solve for x
    x = 24,397.73/155.95
  6. Step 6: Final answer
    x = 156.44

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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.