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Finding the Fourth Proportional to 179.16, 268.88 and 96.95

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Solution

The fourth proportional to 179.16, 268.88 and 96.95 is: 145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.16 : 268.88 = 96.95 : x
  2. Step 2: Convert to fraction form
    179.16/268.88 = 96.95/x
  3. Step 3: Cross multiply
    179.16x = 268.88 × 96.95
  4. Step 4: Simplify right side
    179.16x = 26,066.09
  5. Step 5: Solve for x
    x = 26,066.09/179.16
  6. Step 6: Final answer
    x = 145.49

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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.