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Finding the Fourth Proportional to 69,730.92, 104,563.71 and 25,326.72

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Solution

The fourth proportional to 69,730.92, 104,563.71 and 25,326.72 is: 37,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,730.92 : 104,563.71 = 25,326.72 : x
  2. Step 2: Convert to fraction form
    69,730.92/104,563.71 = 25,326.72/x
  3. Step 3: Cross multiply
    69,730.92x = 104,563.71 × 25,326.72
  4. Step 4: Simplify right side
    69,730.92x = 2,648,255,805.33
  5. Step 5: Solve for x
    x = 2,648,255,805.33/69,730.92
  6. Step 6: Final answer
    x = 37,978.21

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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.