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Finding the Fourth Proportional to 79,777.84, 110,092.84 and 43,969.36

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Solution

The fourth proportional to 79,777.84, 110,092.84 and 43,969.36 is: 60,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,777.84 : 110,092.84 = 43,969.36 : x
  2. Step 2: Convert to fraction form
    79,777.84/110,092.84 = 43,969.36/x
  3. Step 3: Cross multiply
    79,777.84x = 110,092.84 × 43,969.36
  4. Step 4: Simplify right side
    79,777.84x = 4,840,711,715.38
  5. Step 5: Solve for x
    x = 4,840,711,715.38/79,777.84
  6. Step 6: Final answer
    x = 60,677.40

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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.