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Finding the Fourth Proportional to 72,084.62, 108,150.07 and 34,647.41

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Solution

The fourth proportional to 72,084.62, 108,150.07 and 34,647.41 is: 51,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,084.62 : 108,150.07 = 34,647.41 : x
  2. Step 2: Convert to fraction form
    72,084.62/108,150.07 = 34,647.41/x
  3. Step 3: Cross multiply
    72,084.62x = 108,150.07 × 34,647.41
  4. Step 4: Simplify right side
    72,084.62x = 3,747,119,816.82
  5. Step 5: Solve for x
    x = 3,747,119,816.82/72,084.62
  6. Step 6: Final answer
    x = 51,982.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.