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Finding the Fourth Proportional to 151, 208.26 and 95.72

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Solution

The fourth proportional to 151, 208.26 and 95.72 is: 132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151 : 208.26 = 95.72 : x
  2. Step 2: Convert to fraction form
    151/208.26 = 95.72/x
  3. Step 3: Cross multiply
    151x = 208.26 × 95.72
  4. Step 4: Simplify right side
    151x = 19,934.65
  5. Step 5: Solve for x
    x = 19,934.65/151
  6. Step 6: Final answer
    x = 132.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.