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Finding the Fourth Proportional to 79,535.96, 109,759.72 and 43,726.58

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Solution

The fourth proportional to 79,535.96, 109,759.72 and 43,726.58 is: 60,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,535.96 : 109,759.72 = 43,726.58 : x
  2. Step 2: Convert to fraction form
    79,535.96/109,759.72 = 43,726.58/x
  3. Step 3: Cross multiply
    79,535.96x = 109,759.72 × 43,726.58
  4. Step 4: Simplify right side
    79,535.96x = 4,799,417,177.36
  5. Step 5: Solve for x
    x = 4,799,417,177.36/79,535.96
  6. Step 6: Final answer
    x = 60,342.73

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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.