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Finding the Fourth Proportional to 160.36, 239.60 and 126.04

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Solution

The fourth proportional to 160.36, 239.60 and 126.04 is: 188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.36 : 239.60 = 126.04 : x
  2. Step 2: Convert to fraction form
    160.36/239.60 = 126.04/x
  3. Step 3: Cross multiply
    160.36x = 239.60 × 126.04
  4. Step 4: Simplify right side
    160.36x = 30,199.18
  5. Step 5: Solve for x
    x = 30,199.18/160.36
  6. Step 6: Final answer
    x = 188.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.