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Finding the Fourth Proportional to 73,696.98, 110,452.86 and 39,961.74

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Solution

The fourth proportional to 73,696.98, 110,452.86 and 39,961.74 is: 59,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,696.98 : 110,452.86 = 39,961.74 : x
  2. Step 2: Convert to fraction form
    73,696.98/110,452.86 = 39,961.74/x
  3. Step 3: Cross multiply
    73,696.98x = 110,452.86 × 39,961.74
  4. Step 4: Simplify right side
    73,696.98x = 4,413,888,473.58
  5. Step 5: Solve for x
    x = 4,413,888,473.58/73,696.98
  6. Step 6: Final answer
    x = 59,892.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.