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Finding the Fourth Proportional to 153.41, 230.60 and 110.93

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Solution

The fourth proportional to 153.41, 230.60 and 110.93 is: 166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.41 : 230.60 = 110.93 : x
  2. Step 2: Convert to fraction form
    153.41/230.60 = 110.93/x
  3. Step 3: Cross multiply
    153.41x = 230.60 × 110.93
  4. Step 4: Simplify right side
    153.41x = 25,579.90
  5. Step 5: Solve for x
    x = 25,579.90/153.41
  6. Step 6: Final answer
    x = 166.74

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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.