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Finding the Fourth Proportional to 73,108.58, 100,884.21 and 41,280.62

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Solution

The fourth proportional to 73,108.58, 100,884.21 and 41,280.62 is: 56,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.58 : 100,884.21 = 41,280.62 : x
  2. Step 2: Convert to fraction form
    73,108.58/100,884.21 = 41,280.62/x
  3. Step 3: Cross multiply
    73,108.58x = 100,884.21 × 41,280.62
  4. Step 4: Simplify right side
    73,108.58x = 4,164,562,737.01
  5. Step 5: Solve for x
    x = 4,164,562,737.01/73,108.58
  6. Step 6: Final answer
    x = 56,964.08

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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.