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Finding the Fourth Proportional to 124.03, 186.02 and 36.16

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Solution

The fourth proportional to 124.03, 186.02 and 36.16 is: 54.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.03 : 186.02 = 36.16 : x
  2. Step 2: Convert to fraction form
    124.03/186.02 = 36.16/x
  3. Step 3: Cross multiply
    124.03x = 186.02 × 36.16
  4. Step 4: Simplify right side
    124.03x = 6,726.62
  5. Step 5: Solve for x
    x = 6,726.62/124.03
  6. Step 6: Final answer
    x = 54.23

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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.