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Finding the Fourth Proportional to 124.73, 186.99 and 97.59

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Solution

The fourth proportional to 124.73, 186.99 and 97.59 is: 146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.73 : 186.99 = 97.59 : x
  2. Step 2: Convert to fraction form
    124.73/186.99 = 97.59/x
  3. Step 3: Cross multiply
    124.73x = 186.99 × 97.59
  4. Step 4: Simplify right side
    124.73x = 18,248.35
  5. Step 5: Solve for x
    x = 18,248.35/124.73
  6. Step 6: Final answer
    x = 146.30

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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.