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Finding the Fourth Proportional to 73,023.81, 100,773.27 and 40,759.89

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Solution

The fourth proportional to 73,023.81, 100,773.27 and 40,759.89 is: 56,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,023.81 : 100,773.27 = 40,759.89 : x
  2. Step 2: Convert to fraction form
    73,023.81/100,773.27 = 40,759.89/x
  3. Step 3: Cross multiply
    73,023.81x = 100,773.27 × 40,759.89
  4. Step 4: Simplify right side
    73,023.81x = 4,107,507,400.14
  5. Step 5: Solve for x
    x = 4,107,507,400.14/73,023.81
  6. Step 6: Final answer
    x = 56,248.88

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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.