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Finding the Fourth Proportional to 195.55, 293.28 and 58.59

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Solution

The fourth proportional to 195.55, 293.28 and 58.59 is: 87.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.55 : 293.28 = 58.59 : x
  2. Step 2: Convert to fraction form
    195.55/293.28 = 58.59/x
  3. Step 3: Cross multiply
    195.55x = 293.28 × 58.59
  4. Step 4: Simplify right side
    195.55x = 17,184.01
  5. Step 5: Solve for x
    x = 17,184.01/195.55
  6. Step 6: Final answer
    x = 87.88

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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.