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Finding the Fourth Proportional to 195.31, 292.96 and 58.35

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Solution

The fourth proportional to 195.31, 292.96 and 58.35 is: 87.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.31 : 292.96 = 58.35 : x
  2. Step 2: Convert to fraction form
    195.31/292.96 = 58.35/x
  3. Step 3: Cross multiply
    195.31x = 292.96 × 58.35
  4. Step 4: Simplify right side
    195.31x = 17,095.39
  5. Step 5: Solve for x
    x = 17,095.39/195.31
  6. Step 6: Final answer
    x = 87.53

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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.