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Finding the Fourth Proportional to 124.48, 186.61 and 59.44

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Solution

The fourth proportional to 124.48, 186.61 and 59.44 is: 89.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.48 : 186.61 = 59.44 : x
  2. Step 2: Convert to fraction form
    124.48/186.61 = 59.44/x
  3. Step 3: Cross multiply
    124.48x = 186.61 × 59.44
  4. Step 4: Simplify right side
    124.48x = 11,092.10
  5. Step 5: Solve for x
    x = 11,092.10/124.48
  6. Step 6: Final answer
    x = 89.11

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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.