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Finding the Fourth Proportional to 160.14, 236.94 and 159.66

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Solution

The fourth proportional to 160.14, 236.94 and 159.66 is: 236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.14 : 236.94 = 159.66 : x
  2. Step 2: Convert to fraction form
    160.14/236.94 = 159.66/x
  3. Step 3: Cross multiply
    160.14x = 236.94 × 159.66
  4. Step 4: Simplify right side
    160.14x = 37,829.84
  5. Step 5: Solve for x
    x = 37,829.84/160.14
  6. Step 6: Final answer
    x = 236.23

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.