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Finding the Fourth Proportional to 85,550.99, 118,058.31 and 49,753.44

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Solution

The fourth proportional to 85,550.99, 118,058.31 and 49,753.44 is: 68,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,550.99 : 118,058.31 = 49,753.44 : x
  2. Step 2: Convert to fraction form
    85,550.99/118,058.31 = 49,753.44/x
  3. Step 3: Cross multiply
    85,550.99x = 118,058.31 × 49,753.44
  4. Step 4: Simplify right side
    85,550.99x = 5,873,807,043.09
  5. Step 5: Solve for x
    x = 5,873,807,043.09/85,550.99
  6. Step 6: Final answer
    x = 68,658.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.