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Finding the Fourth Proportional to 149.67, 224.57 and 104.00

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Solution

The fourth proportional to 149.67, 224.57 and 104.00 is: 156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.67 : 224.57 = 104.00 : x
  2. Step 2: Convert to fraction form
    149.67/224.57 = 104.00/x
  3. Step 3: Cross multiply
    149.67x = 224.57 × 104.00
  4. Step 4: Simplify right side
    149.67x = 23,354.07
  5. Step 5: Solve for x
    x = 23,354.07/149.67
  6. Step 6: Final answer
    x = 156.03

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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.