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Finding the Fourth Proportional to 79,273.73, 109,396.77 and 43,463.77

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Solution

The fourth proportional to 79,273.73, 109,396.77 and 43,463.77 is: 59,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.73 : 109,396.77 = 43,463.77 : x
  2. Step 2: Convert to fraction form
    79,273.73/109,396.77 = 43,463.77/x
  3. Step 3: Cross multiply
    79,273.73x = 109,396.77 × 43,463.77
  4. Step 4: Simplify right side
    79,273.73x = 4,754,796,050.02
  5. Step 5: Solve for x
    x = 4,754,796,050.02/79,273.73
  6. Step 6: Final answer
    x = 59,979.47

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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.