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Finding the Fourth Proportional to 69,750.82, 104,639.69 and 29,769.22

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Solution

The fourth proportional to 69,750.82, 104,639.69 and 29,769.22 is: 44,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,750.82 : 104,639.69 = 29,769.22 : x
  2. Step 2: Convert to fraction form
    69,750.82/104,639.69 = 29,769.22/x
  3. Step 3: Cross multiply
    69,750.82x = 104,639.69 × 29,769.22
  4. Step 4: Simplify right side
    69,750.82x = 3,115,041,952.34
  5. Step 5: Solve for x
    x = 3,115,041,952.34/69,750.82
  6. Step 6: Final answer
    x = 44,659.57

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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.