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Finding the Fourth Proportional to 134.66, 202.30 and 116.44

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Solution

The fourth proportional to 134.66, 202.30 and 116.44 is: 174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.66 : 202.30 = 116.44 : x
  2. Step 2: Convert to fraction form
    134.66/202.30 = 116.44/x
  3. Step 3: Cross multiply
    134.66x = 202.30 × 116.44
  4. Step 4: Simplify right side
    134.66x = 23,555.81
  5. Step 5: Solve for x
    x = 23,555.81/134.66
  6. Step 6: Final answer
    x = 174.93

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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.