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Finding the Fourth Proportional to 96.60, 145.68 and 95.46

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Solution

The fourth proportional to 96.60, 145.68 and 95.46 is: 143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.60 : 145.68 = 95.46 : x
  2. Step 2: Convert to fraction form
    96.60/145.68 = 95.46/x
  3. Step 3: Cross multiply
    96.60x = 145.68 × 95.46
  4. Step 4: Simplify right side
    96.60x = 13,906.61
  5. Step 5: Solve for x
    x = 13,906.61/96.60
  6. Step 6: Final answer
    x = 143.96

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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.