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Finding the Fourth Proportional to 150.24, 225.35 and 54.06

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Solution

The fourth proportional to 150.24, 225.35 and 54.06 is: 81.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.24 : 225.35 = 54.06 : x
  2. Step 2: Convert to fraction form
    150.24/225.35 = 54.06/x
  3. Step 3: Cross multiply
    150.24x = 225.35 × 54.06
  4. Step 4: Simplify right side
    150.24x = 12,182.15
  5. Step 5: Solve for x
    x = 12,182.15/150.24
  6. Step 6: Final answer
    x = 81.08

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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.