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Finding the Fourth Proportional to 153.74, 230.56 and 96.03

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Solution

The fourth proportional to 153.74, 230.56 and 96.03 is: 144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.74 : 230.56 = 96.03 : x
  2. Step 2: Convert to fraction form
    153.74/230.56 = 96.03/x
  3. Step 3: Cross multiply
    153.74x = 230.56 × 96.03
  4. Step 4: Simplify right side
    153.74x = 22,140.44
  5. Step 5: Solve for x
    x = 22,140.44/153.74
  6. Step 6: Final answer
    x = 144.01

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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.