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Finding the Fourth Proportional to 69,392.80, 104,050.80 and 29,943.20

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Solution

The fourth proportional to 69,392.80, 104,050.80 and 29,943.20 is: 44,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,392.80 : 104,050.80 = 29,943.20 : x
  2. Step 2: Convert to fraction form
    69,392.80/104,050.80 = 29,943.20/x
  3. Step 3: Cross multiply
    69,392.80x = 104,050.80 × 29,943.20
  4. Step 4: Simplify right side
    69,392.80x = 3,115,613,914.56
  5. Step 5: Solve for x
    x = 3,115,613,914.56/69,392.80
  6. Step 6: Final answer
    x = 44,898.23

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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.