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Finding the Fourth Proportional to 73,713.18, 101,643.80 and 49,798.33

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Solution

The fourth proportional to 73,713.18, 101,643.80 and 49,798.33 is: 68,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,713.18 : 101,643.80 = 49,798.33 : x
  2. Step 2: Convert to fraction form
    73,713.18/101,643.80 = 49,798.33/x
  3. Step 3: Cross multiply
    73,713.18x = 101,643.80 × 49,798.33
  4. Step 4: Simplify right side
    73,713.18x = 5,061,691,494.85
  5. Step 5: Solve for x
    x = 5,061,691,494.85/73,713.18
  6. Step 6: Final answer
    x = 68,667.39

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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.