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Finding the Fourth Proportional to 79,359.82, 109,499.44 and 45,806.38

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Solution

The fourth proportional to 79,359.82, 109,499.44 and 45,806.38 is: 63,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.82 : 109,499.44 = 45,806.38 : x
  2. Step 2: Convert to fraction form
    79,359.82/109,499.44 = 45,806.38/x
  3. Step 3: Cross multiply
    79,359.82x = 109,499.44 × 45,806.38
  4. Step 4: Simplify right side
    79,359.82x = 5,015,772,296.41
  5. Step 5: Solve for x
    x = 5,015,772,296.41/79,359.82
  6. Step 6: Final answer
    x = 63,202.92

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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.