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Finding the Fourth Proportional to 79,966.62, 110,355.66 and 44,158.91

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Solution

The fourth proportional to 79,966.62, 110,355.66 and 44,158.91 is: 60,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,966.62 : 110,355.66 = 44,158.91 : x
  2. Step 2: Convert to fraction form
    79,966.62/110,355.66 = 44,158.91/x
  3. Step 3: Cross multiply
    79,966.62x = 110,355.66 × 44,158.91
  4. Step 4: Simplify right side
    79,966.62x = 4,873,185,106.15
  5. Step 5: Solve for x
    x = 4,873,185,106.15/79,966.62
  6. Step 6: Final answer
    x = 60,940.24

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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.