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Finding the Fourth Proportional to 147.41, 203.19 and 116.27

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Solution

The fourth proportional to 147.41, 203.19 and 116.27 is: 160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.41 : 203.19 = 116.27 : x
  2. Step 2: Convert to fraction form
    147.41/203.19 = 116.27/x
  3. Step 3: Cross multiply
    147.41x = 203.19 × 116.27
  4. Step 4: Simplify right side
    147.41x = 23,624.32
  5. Step 5: Solve for x
    x = 23,624.32/147.41
  6. Step 6: Final answer
    x = 160.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.