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Finding the Fourth Proportional to 195.93, 293.90 and 157.46

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Solution

The fourth proportional to 195.93, 293.90 and 157.46 is: 236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.93 : 293.90 = 157.46 : x
  2. Step 2: Convert to fraction form
    195.93/293.90 = 157.46/x
  3. Step 3: Cross multiply
    195.93x = 293.90 × 157.46
  4. Step 4: Simplify right side
    195.93x = 46,275.24
  5. Step 5: Solve for x
    x = 46,275.24/195.93
  6. Step 6: Final answer
    x = 236.18

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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.