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Finding the Fourth Proportional to 34,200.80, 47,178.14 and 20,050.92

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Solution

The fourth proportional to 34,200.80, 47,178.14 and 20,050.92 is: 27,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,200.80 : 47,178.14 = 20,050.92 : x
  2. Step 2: Convert to fraction form
    34,200.80/47,178.14 = 20,050.92/x
  3. Step 3: Cross multiply
    34,200.80x = 47,178.14 × 20,050.92
  4. Step 4: Simplify right side
    34,200.80x = 945,965,110.89
  5. Step 5: Solve for x
    x = 945,965,110.89/34,200.80
  6. Step 6: Final answer
    x = 27,659.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.