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Finding the Fourth Proportional to 151.01, 226.51 and 48.28

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Solution

The fourth proportional to 151.01, 226.51 and 48.28 is: 72.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.01 : 226.51 = 48.28 : x
  2. Step 2: Convert to fraction form
    151.01/226.51 = 48.28/x
  3. Step 3: Cross multiply
    151.01x = 226.51 × 48.28
  4. Step 4: Simplify right side
    151.01x = 10,935.22
  5. Step 5: Solve for x
    x = 10,935.22/151.01
  6. Step 6: Final answer
    x = 72.41

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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.