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Finding the Fourth Proportional to 72,093.66, 99,472.23 and 43,797.66

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Solution

The fourth proportional to 72,093.66, 99,472.23 and 43,797.66 is: 60,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,093.66 : 99,472.23 = 43,797.66 : x
  2. Step 2: Convert to fraction form
    72,093.66/99,472.23 = 43,797.66/x
  3. Step 3: Cross multiply
    72,093.66x = 99,472.23 × 43,797.66
  4. Step 4: Simplify right side
    72,093.66x = 4,356,650,908.98
  5. Step 5: Solve for x
    x = 4,356,650,908.98/72,093.66
  6. Step 6: Final answer
    x = 60,430.43

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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.