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Finding the Fourth Proportional to 73,305.41, 101,072.79 and 61,954.88

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Solution

The fourth proportional to 73,305.41, 101,072.79 and 61,954.88 is: 85,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.41 : 101,072.79 = 61,954.88 : x
  2. Step 2: Convert to fraction form
    73,305.41/101,072.79 = 61,954.88/x
  3. Step 3: Cross multiply
    73,305.41x = 101,072.79 × 61,954.88
  4. Step 4: Simplify right side
    73,305.41x = 6,261,952,070.35
  5. Step 5: Solve for x
    x = 6,261,952,070.35/73,305.41
  6. Step 6: Final answer
    x = 85,422.79

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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.