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Finding the Fourth Proportional to 248,879.61, 373,374.70 and 71,372.97

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Solution

The fourth proportional to 248,879.61, 373,374.70 and 71,372.97 is: 107,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,879.61 : 373,374.70 = 71,372.97 : x
  2. Step 2: Convert to fraction form
    248,879.61/373,374.70 = 71,372.97/x
  3. Step 3: Cross multiply
    248,879.61x = 373,374.70 × 71,372.97
  4. Step 4: Simplify right side
    248,879.61x = 26,648,861,083.43
  5. Step 5: Solve for x
    x = 26,648,861,083.43/248,879.61
  6. Step 6: Final answer
    x = 107,075.31

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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.