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Finding the Fourth Proportional to 72,977.73, 109,471.22 and 30,852.27

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Solution

The fourth proportional to 72,977.73, 109,471.22 and 30,852.27 is: 46,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,977.73 : 109,471.22 = 30,852.27 : x
  2. Step 2: Convert to fraction form
    72,977.73/109,471.22 = 30,852.27/x
  3. Step 3: Cross multiply
    72,977.73x = 109,471.22 × 30,852.27
  4. Step 4: Simplify right side
    72,977.73x = 3,377,435,285.86
  5. Step 5: Solve for x
    x = 3,377,435,285.86/72,977.73
  6. Step 6: Final answer
    x = 46,280.35

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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.