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Finding the Fourth Proportional to 73,058.12, 100,793.16 and 53,983.88

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Solution

The fourth proportional to 73,058.12, 100,793.16 and 53,983.88 is: 74,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,058.12 : 100,793.16 = 53,983.88 : x
  2. Step 2: Convert to fraction form
    73,058.12/100,793.16 = 53,983.88/x
  3. Step 3: Cross multiply
    73,058.12x = 100,793.16 × 53,983.88
  4. Step 4: Simplify right side
    73,058.12x = 5,441,205,854.26
  5. Step 5: Solve for x
    x = 5,441,205,854.26/73,058.12
  6. Step 6: Final answer
    x = 74,477.77

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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.