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Finding the Fourth Proportional to 96.93, 146.07 and 93.69

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Solution

The fourth proportional to 96.93, 146.07 and 93.69 is: 141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.93 : 146.07 = 93.69 : x
  2. Step 2: Convert to fraction form
    96.93/146.07 = 93.69/x
  3. Step 3: Cross multiply
    96.93x = 146.07 × 93.69
  4. Step 4: Simplify right side
    96.93x = 13,685.30
  5. Step 5: Solve for x
    x = 13,685.30/96.93
  6. Step 6: Final answer
    x = 141.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.