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Finding the Fourth Proportional to 70,761.66, 97,651.09 and 38,929.88

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Solution

The fourth proportional to 70,761.66, 97,651.09 and 38,929.88 is: 53,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,761.66 : 97,651.09 = 38,929.88 : x
  2. Step 2: Convert to fraction form
    70,761.66/97,651.09 = 38,929.88/x
  3. Step 3: Cross multiply
    70,761.66x = 97,651.09 × 38,929.88
  4. Step 4: Simplify right side
    70,761.66x = 3,801,544,629.99
  5. Step 5: Solve for x
    x = 3,801,544,629.99/70,761.66
  6. Step 6: Final answer
    x = 53,723.23

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