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Finding the Fourth Proportional to 195.85, 293.67 and 93.10

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Solution

The fourth proportional to 195.85, 293.67 and 93.10 is: 139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.85 : 293.67 = 93.10 : x
  2. Step 2: Convert to fraction form
    195.85/293.67 = 93.10/x
  3. Step 3: Cross multiply
    195.85x = 293.67 × 93.10
  4. Step 4: Simplify right side
    195.85x = 27,340.68
  5. Step 5: Solve for x
    x = 27,340.68/195.85
  6. Step 6: Final answer
    x = 139.60

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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.