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Finding the Fourth Proportional to 73,886.54, 101,965.94 and 43,697.74

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Solution

The fourth proportional to 73,886.54, 101,965.94 and 43,697.74 is: 60,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.54 : 101,965.94 = 43,697.74 : x
  2. Step 2: Convert to fraction form
    73,886.54/101,965.94 = 43,697.74/x
  3. Step 3: Cross multiply
    73,886.54x = 101,965.94 × 43,697.74
  4. Step 4: Simplify right side
    73,886.54x = 4,455,680,625.15
  5. Step 5: Solve for x
    x = 4,455,680,625.15/73,886.54
  6. Step 6: Final answer
    x = 60,304.36

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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.