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Finding the Fourth Proportional to 79,101.32, 118,633.28 and 29,154.29

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Solution

The fourth proportional to 79,101.32, 118,633.28 and 29,154.29 is: 43,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,101.32 : 118,633.28 = 29,154.29 : x
  2. Step 2: Convert to fraction form
    79,101.32/118,633.28 = 29,154.29/x
  3. Step 3: Cross multiply
    79,101.32x = 118,633.28 × 29,154.29
  4. Step 4: Simplify right side
    79,101.32x = 3,458,669,121.66
  5. Step 5: Solve for x
    x = 3,458,669,121.66/79,101.32
  6. Step 6: Final answer
    x = 43,724.54

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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.