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Finding the Fourth Proportional to 79.04, 118.24 and 50.08

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Solution

The fourth proportional to 79.04, 118.24 and 50.08 is: 74.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.04 : 118.24 = 50.08 : x
  2. Step 2: Convert to fraction form
    79.04/118.24 = 50.08/x
  3. Step 3: Cross multiply
    79.04x = 118.24 × 50.08
  4. Step 4: Simplify right side
    79.04x = 5,921.46
  5. Step 5: Solve for x
    x = 5,921.46/79.04
  6. Step 6: Final answer
    x = 74.92

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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.