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Finding the Fourth Proportional to 73,078.61, 100,837.62 and 44,383.31

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Solution

The fourth proportional to 73,078.61, 100,837.62 and 44,383.31 is: 61,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,078.61 : 100,837.62 = 44,383.31 : x
  2. Step 2: Convert to fraction form
    73,078.61/100,837.62 = 44,383.31/x
  3. Step 3: Cross multiply
    73,078.61x = 100,837.62 × 44,383.31
  4. Step 4: Simplify right side
    73,078.61x = 4,475,507,348.12
  5. Step 5: Solve for x
    x = 4,475,507,348.12/73,078.61
  6. Step 6: Final answer
    x = 61,242.37

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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.