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Finding the Fourth Proportional to 69,995.85, 104,919.50 and 34,406.98

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Solution

The fourth proportional to 69,995.85, 104,919.50 and 34,406.98 is: 51,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,995.85 : 104,919.50 = 34,406.98 : x
  2. Step 2: Convert to fraction form
    69,995.85/104,919.50 = 34,406.98/x
  3. Step 3: Cross multiply
    69,995.85x = 104,919.50 × 34,406.98
  4. Step 4: Simplify right side
    69,995.85x = 3,609,962,768.29
  5. Step 5: Solve for x
    x = 3,609,962,768.29/69,995.85
  6. Step 6: Final answer
    x = 51,573.96

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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.