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Finding the Fourth Proportional to 118.02, 162.95 and 94.83

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Solution

The fourth proportional to 118.02, 162.95 and 94.83 is: 130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.02 : 162.95 = 94.83 : x
  2. Step 2: Convert to fraction form
    118.02/162.95 = 94.83/x
  3. Step 3: Cross multiply
    118.02x = 162.95 × 94.83
  4. Step 4: Simplify right side
    118.02x = 15,452.55
  5. Step 5: Solve for x
    x = 15,452.55/118.02
  6. Step 6: Final answer
    x = 130.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.