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Finding the Fourth Proportional to 116.84, 175 and 76.08

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Solution

The fourth proportional to 116.84, 175 and 76.08 is: 113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.84 : 175 = 76.08 : x
  2. Step 2: Convert to fraction form
    116.84/175 = 76.08/x
  3. Step 3: Cross multiply
    116.84x = 175 × 76.08
  4. Step 4: Simplify right side
    116.84x = 13,314
  5. Step 5: Solve for x
    x = 13,314/116.84
  6. Step 6: Final answer
    x = 113.95

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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.