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Finding the Fourth Proportional to 73,108.46, 100,884.04 and 41,280.50

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Solution

The fourth proportional to 73,108.46, 100,884.04 and 41,280.50 is: 56,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.46 : 100,884.04 = 41,280.50 : x
  2. Step 2: Convert to fraction form
    73,108.46/100,884.04 = 41,280.50/x
  3. Step 3: Cross multiply
    73,108.46x = 100,884.04 × 41,280.50
  4. Step 4: Simplify right side
    73,108.46x = 4,164,543,005.60
  5. Step 5: Solve for x
    x = 4,164,543,005.60/73,108.46
  6. Step 6: Final answer
    x = 56,963.90

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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.