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Finding the Fourth Proportional to 124.11, 185.98 and 93.70

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Solution

The fourth proportional to 124.11, 185.98 and 93.70 is: 140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.11 : 185.98 = 93.70 : x
  2. Step 2: Convert to fraction form
    124.11/185.98 = 93.70/x
  3. Step 3: Cross multiply
    124.11x = 185.98 × 93.70
  4. Step 4: Simplify right side
    124.11x = 17,426.37
  5. Step 5: Solve for x
    x = 17,426.37/124.11
  6. Step 6: Final answer
    x = 140.41

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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.