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Finding the Fourth Proportional to 195.18, 292.88 and 73.53

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Solution

The fourth proportional to 195.18, 292.88 and 73.53 is: 110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.18 : 292.88 = 73.53 : x
  2. Step 2: Convert to fraction form
    195.18/292.88 = 73.53/x
  3. Step 3: Cross multiply
    195.18x = 292.88 × 73.53
  4. Step 4: Simplify right side
    195.18x = 21,535.47
  5. Step 5: Solve for x
    x = 21,535.47/195.18
  6. Step 6: Final answer
    x = 110.34

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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.