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Finding the Fourth Proportional to 124.48, 186.58 and 52.26

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Solution

The fourth proportional to 124.48, 186.58 and 52.26 is: 78.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.48 : 186.58 = 52.26 : x
  2. Step 2: Convert to fraction form
    124.48/186.58 = 52.26/x
  3. Step 3: Cross multiply
    124.48x = 186.58 × 52.26
  4. Step 4: Simplify right side
    124.48x = 9,750.67
  5. Step 5: Solve for x
    x = 9,750.67/124.48
  6. Step 6: Final answer
    x = 78.33

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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.