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Finding the Fourth Proportional to 67,487.58, 93,110.31 and 43,644.42

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Solution

The fourth proportional to 67,487.58, 93,110.31 and 43,644.42 is: 60,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487.58 : 93,110.31 = 43,644.42 : x
  2. Step 2: Convert to fraction form
    67,487.58/93,110.31 = 43,644.42/x
  3. Step 3: Cross multiply
    67,487.58x = 93,110.31 × 43,644.42
  4. Step 4: Simplify right side
    67,487.58x = 4,063,745,475.97
  5. Step 5: Solve for x
    x = 4,063,745,475.97/67,487.58
  6. Step 6: Final answer
    x = 60,214.72

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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.