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Finding the Fourth Proportional to 124.16, 186.26 and 32.86

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Solution

The fourth proportional to 124.16, 186.26 and 32.86 is: 49.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.16 : 186.26 = 32.86 : x
  2. Step 2: Convert to fraction form
    124.16/186.26 = 32.86/x
  3. Step 3: Cross multiply
    124.16x = 186.26 × 32.86
  4. Step 4: Simplify right side
    124.16x = 6,120.11
  5. Step 5: Solve for x
    x = 6,120.11/124.16
  6. Step 6: Final answer
    x = 49.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.