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Finding the Fourth Proportional to 148.84, 223.16 and 62.17

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Solution

The fourth proportional to 148.84, 223.16 and 62.17 is: 93.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.84 : 223.16 = 62.17 : x
  2. Step 2: Convert to fraction form
    148.84/223.16 = 62.17/x
  3. Step 3: Cross multiply
    148.84x = 223.16 × 62.17
  4. Step 4: Simplify right side
    148.84x = 13,872.99
  5. Step 5: Solve for x
    x = 13,872.99/148.84
  6. Step 6: Final answer
    x = 93.21

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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.