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Finding the Fourth Proportional to 247,008.69, 370,514.52 and 69,517.31

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Solution

The fourth proportional to 247,008.69, 370,514.52 and 69,517.31 is: 104,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,008.69 : 370,514.52 = 69,517.31 : x
  2. Step 2: Convert to fraction form
    247,008.69/370,514.52 = 69,517.31/x
  3. Step 3: Cross multiply
    247,008.69x = 370,514.52 × 69,517.31
  4. Step 4: Simplify right side
    247,008.69x = 25,757,170,893.77
  5. Step 5: Solve for x
    x = 25,757,170,893.77/247,008.69
  6. Step 6: Final answer
    x = 104,276.38

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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.