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Finding the Fourth Proportional to 124.01, 186.11 and 63.13

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Solution

The fourth proportional to 124.01, 186.11 and 63.13 is: 94.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.01 : 186.11 = 63.13 : x
  2. Step 2: Convert to fraction form
    124.01/186.11 = 63.13/x
  3. Step 3: Cross multiply
    124.01x = 186.11 × 63.13
  4. Step 4: Simplify right side
    124.01x = 11,749.12
  5. Step 5: Solve for x
    x = 11,749.12/124.01
  6. Step 6: Final answer
    x = 94.74

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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.