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Finding the Fourth Proportional to 150.07, 225.12 and 47.36

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Solution

The fourth proportional to 150.07, 225.12 and 47.36 is: 71.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.07 : 225.12 = 47.36 : x
  2. Step 2: Convert to fraction form
    150.07/225.12 = 47.36/x
  3. Step 3: Cross multiply
    150.07x = 225.12 × 47.36
  4. Step 4: Simplify right side
    150.07x = 10,661.68
  5. Step 5: Solve for x
    x = 10,661.68/150.07
  6. Step 6: Final answer
    x = 71.04

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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.