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Finding the Fourth Proportional to 69,998.85, 104,924 and 34,409.98

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Solution

The fourth proportional to 69,998.85, 104,924 and 34,409.98 is: 51,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,998.85 : 104,924 = 34,409.98 : x
  2. Step 2: Convert to fraction form
    69,998.85/104,924 = 34,409.98/x
  3. Step 3: Cross multiply
    69,998.85x = 104,924 × 34,409.98
  4. Step 4: Simplify right side
    69,998.85x = 3,610,432,741.52
  5. Step 5: Solve for x
    x = 3,610,432,741.52/69,998.85
  6. Step 6: Final answer
    x = 51,578.46

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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.