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Finding the Fourth Proportional to 79,737.54, 110,039.21 and 43,927.30

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Solution

The fourth proportional to 79,737.54, 110,039.21 and 43,927.30 is: 60,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,737.54 : 110,039.21 = 43,927.30 : x
  2. Step 2: Convert to fraction form
    79,737.54/110,039.21 = 43,927.30/x
  3. Step 3: Cross multiply
    79,737.54x = 110,039.21 × 43,927.30
  4. Step 4: Simplify right side
    79,737.54x = 4,833,725,389.43
  5. Step 5: Solve for x
    x = 4,833,725,389.43/79,737.54
  6. Step 6: Final answer
    x = 60,620.45

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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.