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Finding the Fourth Proportional to 117,183.25, 161,713.52 and 63,468.42

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Solution

The fourth proportional to 117,183.25, 161,713.52 and 63,468.42 is: 87,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,183.25 : 161,713.52 = 63,468.42 : x
  2. Step 2: Convert to fraction form
    117,183.25/161,713.52 = 63,468.42/x
  3. Step 3: Cross multiply
    117,183.25x = 161,713.52 × 63,468.42
  4. Step 4: Simplify right side
    117,183.25x = 10,263,701,607.04
  5. Step 5: Solve for x
    x = 10,263,701,607.04/117,183.25
  6. Step 6: Final answer
    x = 87,586.76

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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.