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Finding the Fourth Proportional to 149.50, 224.34 and 62.83

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Solution

The fourth proportional to 149.50, 224.34 and 62.83 is: 94.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.50 : 224.34 = 62.83 : x
  2. Step 2: Convert to fraction form
    149.50/224.34 = 62.83/x
  3. Step 3: Cross multiply
    149.50x = 224.34 × 62.83
  4. Step 4: Simplify right side
    149.50x = 14,095.28
  5. Step 5: Solve for x
    x = 14,095.28/149.50
  6. Step 6: Final answer
    x = 94.28

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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.