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Finding the Fourth Proportional to 116.97, 175.35 and 62.70

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Solution

The fourth proportional to 116.97, 175.35 and 62.70 is: 93.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.97 : 175.35 = 62.70 : x
  2. Step 2: Convert to fraction form
    116.97/175.35 = 62.70/x
  3. Step 3: Cross multiply
    116.97x = 175.35 × 62.70
  4. Step 4: Simplify right side
    116.97x = 10,994.13
  5. Step 5: Solve for x
    x = 10,994.13/116.97
  6. Step 6: Final answer
    x = 93.99

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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.