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Finding the Fourth Proportional to 69,993.35, 104,915.76 and 34,404.48

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Solution

The fourth proportional to 69,993.35, 104,915.76 and 34,404.48 is: 51,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993.35 : 104,915.76 = 34,404.48 : x
  2. Step 2: Convert to fraction form
    69,993.35/104,915.76 = 34,404.48/x
  3. Step 3: Cross multiply
    69,993.35x = 104,915.76 × 34,404.48
  4. Step 4: Simplify right side
    69,993.35x = 3,609,572,166.60
  5. Step 5: Solve for x
    x = 3,609,572,166.60/69,993.35
  6. Step 6: Final answer
    x = 51,570.22

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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.