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Finding the Fourth Proportional to 238,884.92, 329,662.68 and 131,451.92

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Solution

The fourth proportional to 238,884.92, 329,662.68 and 131,451.92 is: 181,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,884.92 : 329,662.68 = 131,451.92 : x
  2. Step 2: Convert to fraction form
    238,884.92/329,662.68 = 131,451.92/x
  3. Step 3: Cross multiply
    238,884.92x = 329,662.68 × 131,451.92
  4. Step 4: Simplify right side
    238,884.92x = 43,334,792,238.35
  5. Step 5: Solve for x
    x = 43,334,792,238.35/238,884.92
  6. Step 6: Final answer
    x = 181,404.47

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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.