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Finding the Fourth Proportional to 55,251.87, 82,806.72 and 48,106.88

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Solution

The fourth proportional to 55,251.87, 82,806.72 and 48,106.88 is: 72,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.87 : 82,806.72 = 48,106.88 : x
  2. Step 2: Convert to fraction form
    55,251.87/82,806.72 = 48,106.88/x
  3. Step 3: Cross multiply
    55,251.87x = 82,806.72 × 48,106.88
  4. Step 4: Simplify right side
    55,251.87x = 3,983,572,942.23
  5. Step 5: Solve for x
    x = 3,983,572,942.23/55,251.87
  6. Step 6: Final answer
    x = 72,098.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.