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Finding the Fourth Proportional to 78,157.96, 107,867.46 and 44,167.88

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Solution

The fourth proportional to 78,157.96, 107,867.46 and 44,167.88 is: 60,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,157.96 : 107,867.46 = 44,167.88 : x
  2. Step 2: Convert to fraction form
    78,157.96/107,867.46 = 44,167.88/x
  3. Step 3: Cross multiply
    78,157.96x = 107,867.46 × 44,167.88
  4. Step 4: Simplify right side
    78,157.96x = 4,764,277,029.18
  5. Step 5: Solve for x
    x = 4,764,277,029.18/78,157.96
  6. Step 6: Final answer
    x = 60,957.03

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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.