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Finding the Fourth Proportional to 72,084.73, 108,150.23 and 34,647.52

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Solution

The fourth proportional to 72,084.73, 108,150.23 and 34,647.52 is: 51,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,084.73 : 108,150.23 = 34,647.52 : x
  2. Step 2: Convert to fraction form
    72,084.73/108,150.23 = 34,647.52/x
  3. Step 3: Cross multiply
    72,084.73x = 108,150.23 × 34,647.52
  4. Step 4: Simplify right side
    72,084.73x = 3,747,137,029.86
  5. Step 5: Solve for x
    x = 3,747,137,029.86/72,084.73
  6. Step 6: Final answer
    x = 51,982.40

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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.