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Finding the Fourth Proportional to 149.56, 224.38 and 64.04

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Solution

The fourth proportional to 149.56, 224.38 and 64.04 is: 96.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.56 : 224.38 = 64.04 : x
  2. Step 2: Convert to fraction form
    149.56/224.38 = 64.04/x
  3. Step 3: Cross multiply
    149.56x = 224.38 × 64.04
  4. Step 4: Simplify right side
    149.56x = 14,369.30
  5. Step 5: Solve for x
    x = 14,369.30/149.56
  6. Step 6: Final answer
    x = 96.08

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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.