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Finding the Fourth Proportional to 160.26, 240 and 130.02

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Solution

The fourth proportional to 160.26, 240 and 130.02 is: 194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.26 : 240 = 130.02 : x
  2. Step 2: Convert to fraction form
    160.26/240 = 130.02/x
  3. Step 3: Cross multiply
    160.26x = 240 × 130.02
  4. Step 4: Simplify right side
    160.26x = 31,204.80
  5. Step 5: Solve for x
    x = 31,204.80/160.26
  6. Step 6: Final answer
    x = 194.71

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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.