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Finding the Fourth Proportional to 149.69, 224.53 and 63.00

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Solution

The fourth proportional to 149.69, 224.53 and 63.00 is: 94.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.69 : 224.53 = 63.00 : x
  2. Step 2: Convert to fraction form
    149.69/224.53 = 63.00/x
  3. Step 3: Cross multiply
    149.69x = 224.53 × 63.00
  4. Step 4: Simplify right side
    149.69x = 14,144.51
  5. Step 5: Solve for x
    x = 14,144.51/149.69
  6. Step 6: Final answer
    x = 94.50

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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.