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Finding the Fourth Proportional to 275,485.59, 413,173.98 and 75,754.44

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Solution

The fourth proportional to 275,485.59, 413,173.98 and 75,754.44 is: 113,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,485.59 : 413,173.98 = 75,754.44 : x
  2. Step 2: Convert to fraction form
    275,485.59/413,173.98 = 75,754.44/x
  3. Step 3: Cross multiply
    275,485.59x = 413,173.98 × 75,754.44
  4. Step 4: Simplify right side
    275,485.59x = 31,299,763,477.47
  5. Step 5: Solve for x
    x = 31,299,763,477.47/275,485.59
  6. Step 6: Final answer
    x = 113,616.70

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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.