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Finding the Fourth Proportional to 69,472.26, 104,208.48 and 48,788.10

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Solution

The fourth proportional to 69,472.26, 104,208.48 and 48,788.10 is: 73,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.26 : 104,208.48 = 48,788.10 : x
  2. Step 2: Convert to fraction form
    69,472.26/104,208.48 = 48,788.10/x
  3. Step 3: Cross multiply
    69,472.26x = 104,208.48 × 48,788.10
  4. Step 4: Simplify right side
    69,472.26x = 5,084,133,743.09
  5. Step 5: Solve for x
    x = 5,084,133,743.09/69,472.26
  6. Step 6: Final answer
    x = 73,182.21

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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.