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Finding the Fourth Proportional to 149.39, 224.08 and 46.67

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Solution

The fourth proportional to 149.39, 224.08 and 46.67 is: 70.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.39 : 224.08 = 46.67 : x
  2. Step 2: Convert to fraction form
    149.39/224.08 = 46.67/x
  3. Step 3: Cross multiply
    149.39x = 224.08 × 46.67
  4. Step 4: Simplify right side
    149.39x = 10,456.58
  5. Step 5: Solve for x
    x = 10,456.58/149.39
  6. Step 6: Final answer
    x = 70.00

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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.