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Finding the Fourth Proportional to 72,892.71, 109,091.07 and 44,797.95

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Solution

The fourth proportional to 72,892.71, 109,091.07 and 44,797.95 is: 67,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,892.71 : 109,091.07 = 44,797.95 : x
  2. Step 2: Convert to fraction form
    72,892.71/109,091.07 = 44,797.95/x
  3. Step 3: Cross multiply
    72,892.71x = 109,091.07 × 44,797.95
  4. Step 4: Simplify right side
    72,892.71x = 4,887,056,299.31
  5. Step 5: Solve for x
    x = 4,887,056,299.31/72,892.71
  6. Step 6: Final answer
    x = 67,044.51

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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.