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Finding the Fourth Proportional to 149.35, 224.13 and 58.04

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Solution

The fourth proportional to 149.35, 224.13 and 58.04 is: 87.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.35 : 224.13 = 58.04 : x
  2. Step 2: Convert to fraction form
    149.35/224.13 = 58.04/x
  3. Step 3: Cross multiply
    149.35x = 224.13 × 58.04
  4. Step 4: Simplify right side
    149.35x = 13,007.52
  5. Step 5: Solve for x
    x = 13,007.52/149.35
  6. Step 6: Final answer
    x = 87.09

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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.