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Finding the Fourth Proportional to 79,362.23, 109,523.86 and 43,551.95

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Solution

The fourth proportional to 79,362.23, 109,523.86 and 43,551.95 is: 60,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,362.23 : 109,523.86 = 43,551.95 : x
  2. Step 2: Convert to fraction form
    79,362.23/109,523.86 = 43,551.95/x
  3. Step 3: Cross multiply
    79,362.23x = 109,523.86 × 43,551.95
  4. Step 4: Simplify right side
    79,362.23x = 4,769,977,018.03
  5. Step 5: Solve for x
    x = 4,769,977,018.03/79,362.23
  6. Step 6: Final answer
    x = 60,103.87

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Why These Related Problems?

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