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Finding the Fourth Proportional to 69,474.61, 104,209.48 and 29,467.90

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Solution

The fourth proportional to 69,474.61, 104,209.48 and 29,467.90 is: 44,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,474.61 : 104,209.48 = 29,467.90 : x
  2. Step 2: Convert to fraction form
    69,474.61/104,209.48 = 29,467.90/x
  3. Step 3: Cross multiply
    69,474.61x = 104,209.48 × 29,467.90
  4. Step 4: Simplify right side
    69,474.61x = 3,070,833,867.31
  5. Step 5: Solve for x
    x = 3,070,833,867.31/69,474.61
  6. Step 6: Final answer
    x = 44,200.81

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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.