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Finding the Fourth Proportional to 71,995.23, 108,015.66 and 29,895.48

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Solution

The fourth proportional to 71,995.23, 108,015.66 and 29,895.48 is: 44,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,995.23 : 108,015.66 = 29,895.48 : x
  2. Step 2: Convert to fraction form
    71,995.23/108,015.66 = 29,895.48/x
  3. Step 3: Cross multiply
    71,995.23x = 108,015.66 × 29,895.48
  4. Step 4: Simplify right side
    71,995.23x = 3,229,180,003.22
  5. Step 5: Solve for x
    x = 3,229,180,003.22/71,995.23
  6. Step 6: Final answer
    x = 44,852.69

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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.