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Finding the Fourth Proportional to 73,023.93, 100,773.32 and 39,489.93

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Solution

The fourth proportional to 73,023.93, 100,773.32 and 39,489.93 is: 54,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,023.93 : 100,773.32 = 39,489.93 : x
  2. Step 2: Convert to fraction form
    73,023.93/100,773.32 = 39,489.93/x
  3. Step 3: Cross multiply
    73,023.93x = 100,773.32 × 39,489.93
  4. Step 4: Simplify right side
    73,023.93x = 3,979,531,155.22
  5. Step 5: Solve for x
    x = 3,979,531,155.22/73,023.93
  6. Step 6: Final answer
    x = 54,496.26

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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.