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Finding the Fourth Proportional to 240,514.78, 360,790.98 and 80,591.26

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Solution

The fourth proportional to 240,514.78, 360,790.98 and 80,591.26 is: 120,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,514.78 : 360,790.98 = 80,591.26 : x
  2. Step 2: Convert to fraction form
    240,514.78/360,790.98 = 80,591.26/x
  3. Step 3: Cross multiply
    240,514.78x = 360,790.98 × 80,591.26
  4. Step 4: Simplify right side
    240,514.78x = 29,076,599,674.83
  5. Step 5: Solve for x
    x = 29,076,599,674.83/240,514.78
  6. Step 6: Final answer
    x = 120,893.19

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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.