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Finding the Fourth Proportional to 73,322.79, 101,231.31 and 50,392.11

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Solution

The fourth proportional to 73,322.79, 101,231.31 and 50,392.11 is: 69,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,322.79 : 101,231.31 = 50,392.11 : x
  2. Step 2: Convert to fraction form
    73,322.79/101,231.31 = 50,392.11/x
  3. Step 3: Cross multiply
    73,322.79x = 101,231.31 × 50,392.11
  4. Step 4: Simplify right side
    73,322.79x = 5,101,259,308.96
  5. Step 5: Solve for x
    x = 5,101,259,308.96/73,322.79
  6. Step 6: Final answer
    x = 69,572.63

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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.