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Finding the Fourth Proportional to 181,365.54, 271,633.43 and 86,662.31

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Solution

The fourth proportional to 181,365.54, 271,633.43 and 86,662.31 is: 129,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,365.54 : 271,633.43 = 86,662.31 : x
  2. Step 2: Convert to fraction form
    181,365.54/271,633.43 = 86,662.31/x
  3. Step 3: Cross multiply
    181,365.54x = 271,633.43 × 86,662.31
  4. Step 4: Simplify right side
    181,365.54x = 23,540,378,725.54
  5. Step 5: Solve for x
    x = 23,540,378,725.54/181,365.54
  6. Step 6: Final answer
    x = 129,795.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.