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Finding the Fourth Proportional to 67,083.71, 92,584.31 and 43,279.64

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Solution

The fourth proportional to 67,083.71, 92,584.31 and 43,279.64 is: 59,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,083.71 : 92,584.31 = 43,279.64 : x
  2. Step 2: Convert to fraction form
    67,083.71/92,584.31 = 43,279.64/x
  3. Step 3: Cross multiply
    67,083.71x = 92,584.31 × 43,279.64
  4. Step 4: Simplify right side
    67,083.71x = 4,007,014,927.13
  5. Step 5: Solve for x
    x = 4,007,014,927.13/67,083.71
  6. Step 6: Final answer
    x = 59,731.56

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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.