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Finding the Fourth Proportional to 150.65, 225.92 and 46.52

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Solution

The fourth proportional to 150.65, 225.92 and 46.52 is: 69.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.65 : 225.92 = 46.52 : x
  2. Step 2: Convert to fraction form
    150.65/225.92 = 46.52/x
  3. Step 3: Cross multiply
    150.65x = 225.92 × 46.52
  4. Step 4: Simplify right side
    150.65x = 10,510.13
  5. Step 5: Solve for x
    x = 10,510.13/150.65
  6. Step 6: Final answer
    x = 69.76

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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.