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Finding the Fourth Proportional to 117,366.44, 161,965.22 and 63,651.24

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Solution

The fourth proportional to 117,366.44, 161,965.22 and 63,651.24 is: 87,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,366.44 : 161,965.22 = 63,651.24 : x
  2. Step 2: Convert to fraction form
    117,366.44/161,965.22 = 63,651.24/x
  3. Step 3: Cross multiply
    117,366.44x = 161,965.22 × 63,651.24
  4. Step 4: Simplify right side
    117,366.44x = 10,309,287,089.87
  5. Step 5: Solve for x
    x = 10,309,287,089.87/117,366.44
  6. Step 6: Final answer
    x = 87,838.46

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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.