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Finding the Fourth Proportional to 160.26, 240.60 and 114.64

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Solution

The fourth proportional to 160.26, 240.60 and 114.64 is: 172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.26 : 240.60 = 114.64 : x
  2. Step 2: Convert to fraction form
    160.26/240.60 = 114.64/x
  3. Step 3: Cross multiply
    160.26x = 240.60 × 114.64
  4. Step 4: Simplify right side
    160.26x = 27,582.38
  5. Step 5: Solve for x
    x = 27,582.38/160.26
  6. Step 6: Final answer
    x = 172.11

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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.