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Finding the Fourth Proportional to 149.84, 224.67 and 58.53

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Solution

The fourth proportional to 149.84, 224.67 and 58.53 is: 87.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.84 : 224.67 = 58.53 : x
  2. Step 2: Convert to fraction form
    149.84/224.67 = 58.53/x
  3. Step 3: Cross multiply
    149.84x = 224.67 × 58.53
  4. Step 4: Simplify right side
    149.84x = 13,149.94
  5. Step 5: Solve for x
    x = 13,149.94/149.84
  6. Step 6: Final answer
    x = 87.76

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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.