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Finding the Fourth Proportional to 72,367.43, 99,867.02 and 44,073.11

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Solution

The fourth proportional to 72,367.43, 99,867.02 and 44,073.11 is: 60,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,367.43 : 99,867.02 = 44,073.11 : x
  2. Step 2: Convert to fraction form
    72,367.43/99,867.02 = 44,073.11/x
  3. Step 3: Cross multiply
    72,367.43x = 99,867.02 × 44,073.11
  4. Step 4: Simplify right side
    72,367.43x = 4,401,450,187.13
  5. Step 5: Solve for x
    x = 4,401,450,187.13/72,367.43
  6. Step 6: Final answer
    x = 60,820.88

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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.