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Finding the Fourth Proportional to 153.53, 230.52 and 96.11

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Solution

The fourth proportional to 153.53, 230.52 and 96.11 is: 144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.53 : 230.52 = 96.11 : x
  2. Step 2: Convert to fraction form
    153.53/230.52 = 96.11/x
  3. Step 3: Cross multiply
    153.53x = 230.52 × 96.11
  4. Step 4: Simplify right side
    153.53x = 22,156.65
  5. Step 5: Solve for x
    x = 22,156.65/153.53
  6. Step 6: Final answer
    x = 144.32

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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.