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Finding the Fourth Proportional to 148.95, 223.43 and 46.24

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Solution

The fourth proportional to 148.95, 223.43 and 46.24 is: 69.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.95 : 223.43 = 46.24 : x
  2. Step 2: Convert to fraction form
    148.95/223.43 = 46.24/x
  3. Step 3: Cross multiply
    148.95x = 223.43 × 46.24
  4. Step 4: Simplify right side
    148.95x = 10,330.96
  5. Step 5: Solve for x
    x = 10,330.96/148.95
  6. Step 6: Final answer
    x = 69.36

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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.