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Finding the Fourth Proportional to 69,884.17, 104,738.74 and 55,034.44

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Solution

The fourth proportional to 69,884.17, 104,738.74 and 55,034.44 is: 82,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,884.17 : 104,738.74 = 55,034.44 : x
  2. Step 2: Convert to fraction form
    69,884.17/104,738.74 = 55,034.44/x
  3. Step 3: Cross multiply
    69,884.17x = 104,738.74 × 55,034.44
  4. Step 4: Simplify right side
    69,884.17x = 5,764,237,502.77
  5. Step 5: Solve for x
    x = 5,764,237,502.77/69,884.17
  6. Step 6: Final answer
    x = 82,482.74

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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.