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Finding the Fourth Proportional to 73,809.81, 101,822.97 and 43,574.52

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Solution

The fourth proportional to 73,809.81, 101,822.97 and 43,574.52 is: 60,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809.81 : 101,822.97 = 43,574.52 : x
  2. Step 2: Convert to fraction form
    73,809.81/101,822.97 = 43,574.52/x
  3. Step 3: Cross multiply
    73,809.81x = 101,822.97 × 43,574.52
  4. Step 4: Simplify right side
    73,809.81x = 4,436,887,042.72
  5. Step 5: Solve for x
    x = 4,436,887,042.72/73,809.81
  6. Step 6: Final answer
    x = 60,112.43

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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.