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Finding the Fourth Proportional to 355.81, 533.67 and 95.83

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Solution

The fourth proportional to 355.81, 533.67 and 95.83 is: 143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.81 : 533.67 = 95.83 : x
  2. Step 2: Convert to fraction form
    355.81/533.67 = 95.83/x
  3. Step 3: Cross multiply
    355.81x = 533.67 × 95.83
  4. Step 4: Simplify right side
    355.81x = 51,141.60
  5. Step 5: Solve for x
    x = 51,141.60/355.81
  6. Step 6: Final answer
    x = 143.73

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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.