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Finding the Fourth Proportional to 147.52, 220.74 and 96.04

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Solution

The fourth proportional to 147.52, 220.74 and 96.04 is: 143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.52 : 220.74 = 96.04 : x
  2. Step 2: Convert to fraction form
    147.52/220.74 = 96.04/x
  3. Step 3: Cross multiply
    147.52x = 220.74 × 96.04
  4. Step 4: Simplify right side
    147.52x = 21,199.87
  5. Step 5: Solve for x
    x = 21,199.87/147.52
  6. Step 6: Final answer
    x = 143.71

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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.