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Finding the Fourth Proportional to 207,086.94, 285,778.53 and 117,662.94

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Solution

The fourth proportional to 207,086.94, 285,778.53 and 117,662.94 is: 162,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,086.94 : 285,778.53 = 117,662.94 : x
  2. Step 2: Convert to fraction form
    207,086.94/285,778.53 = 117,662.94/x
  3. Step 3: Cross multiply
    207,086.94x = 285,778.53 × 117,662.94
  4. Step 4: Simplify right side
    207,086.94x = 33,625,542,028.68
  5. Step 5: Solve for x
    x = 33,625,542,028.68/207,086.94
  6. Step 6: Final answer
    x = 162,374.03

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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.