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Finding the Fourth Proportional to 160, 239.58 and 114.10

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Solution

The fourth proportional to 160, 239.58 and 114.10 is: 170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160 : 239.58 = 114.10 : x
  2. Step 2: Convert to fraction form
    160/239.58 = 114.10/x
  3. Step 3: Cross multiply
    160x = 239.58 × 114.10
  4. Step 4: Simplify right side
    160x = 27,336.08
  5. Step 5: Solve for x
    x = 27,336.08/160
  6. Step 6: Final answer
    x = 170.85

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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.