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Finding the Fourth Proportional to 55,250.87, 82,805.22 and 48,105.88

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Solution

The fourth proportional to 55,250.87, 82,805.22 and 48,105.88 is: 72,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.87 : 82,805.22 = 48,105.88 : x
  2. Step 2: Convert to fraction form
    55,250.87/82,805.22 = 48,105.88/x
  3. Step 3: Cross multiply
    55,250.87x = 82,805.22 × 48,105.88
  4. Step 4: Simplify right side
    55,250.87x = 3,983,417,562.67
  5. Step 5: Solve for x
    x = 3,983,417,562.67/55,250.87
  6. Step 6: Final answer
    x = 72,096.92

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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.