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Finding the Fourth Proportional to 69,443.72, 104,170.44 and 34,373.96

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Solution

The fourth proportional to 69,443.72, 104,170.44 and 34,373.96 is: 51,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.72 : 104,170.44 = 34,373.96 : x
  2. Step 2: Convert to fraction form
    69,443.72/104,170.44 = 34,373.96/x
  3. Step 3: Cross multiply
    69,443.72x = 104,170.44 × 34,373.96
  4. Step 4: Simplify right side
    69,443.72x = 3,580,750,537.74
  5. Step 5: Solve for x
    x = 3,580,750,537.74/69,443.72
  6. Step 6: Final answer
    x = 51,563.35

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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.