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Finding the Fourth Proportional to 67,596.96, 93,311.28 and 43,724.64

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Solution

The fourth proportional to 67,596.96, 93,311.28 and 43,724.64 is: 60,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,596.96 : 93,311.28 = 43,724.64 : x
  2. Step 2: Convert to fraction form
    67,596.96/93,311.28 = 43,724.64/x
  3. Step 3: Cross multiply
    67,596.96x = 93,311.28 × 43,724.64
  4. Step 4: Simplify right side
    67,596.96x = 4,080,002,125.94
  5. Step 5: Solve for x
    x = 4,080,002,125.94/67,596.96
  6. Step 6: Final answer
    x = 60,357.78

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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.