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Finding the Fourth Proportional to 150.74, 226.14 and 64.13

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Solution

The fourth proportional to 150.74, 226.14 and 64.13 is: 96.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.74 : 226.14 = 64.13 : x
  2. Step 2: Convert to fraction form
    150.74/226.14 = 64.13/x
  3. Step 3: Cross multiply
    150.74x = 226.14 × 64.13
  4. Step 4: Simplify right side
    150.74x = 14,502.92
  5. Step 5: Solve for x
    x = 14,502.92/150.74
  6. Step 6: Final answer
    x = 96.21

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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.