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Finding the Fourth Proportional to 149.96, 224.66 and 95.00

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Solution

The fourth proportional to 149.96, 224.66 and 95.00 is: 142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.96 : 224.66 = 95.00 : x
  2. Step 2: Convert to fraction form
    149.96/224.66 = 95.00/x
  3. Step 3: Cross multiply
    149.96x = 224.66 × 95.00
  4. Step 4: Simplify right side
    149.96x = 21,341.81
  5. Step 5: Solve for x
    x = 21,341.81/149.96
  6. Step 6: Final answer
    x = 142.31

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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.