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Finding the Fourth Proportional to 116.14, 174.18 and 70.52

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Solution

The fourth proportional to 116.14, 174.18 and 70.52 is: 105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.14 : 174.18 = 70.52 : x
  2. Step 2: Convert to fraction form
    116.14/174.18 = 70.52/x
  3. Step 3: Cross multiply
    116.14x = 174.18 × 70.52
  4. Step 4: Simplify right side
    116.14x = 12,283.17
  5. Step 5: Solve for x
    x = 12,283.17/116.14
  6. Step 6: Final answer
    x = 105.76

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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.