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Finding the Fourth Proportional to 149.99, 224.64 and 95.00

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Solution

The fourth proportional to 149.99, 224.64 and 95.00 is: 142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.99 : 224.64 = 95.00 : x
  2. Step 2: Convert to fraction form
    149.99/224.64 = 95.00/x
  3. Step 3: Cross multiply
    149.99x = 224.64 × 95.00
  4. Step 4: Simplify right side
    149.99x = 21,339.68
  5. Step 5: Solve for x
    x = 21,339.68/149.99
  6. Step 6: Final answer
    x = 142.28

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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.