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Finding the Fourth Proportional to 150.64, 225.80 and 95.71

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Solution

The fourth proportional to 150.64, 225.80 and 95.71 is: 143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.64 : 225.80 = 95.71 : x
  2. Step 2: Convert to fraction form
    150.64/225.80 = 95.71/x
  3. Step 3: Cross multiply
    150.64x = 225.80 × 95.71
  4. Step 4: Simplify right side
    150.64x = 21,610.84
  5. Step 5: Solve for x
    x = 21,610.84/150.64
  6. Step 6: Final answer
    x = 143.46

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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.