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Finding the Fourth Proportional to 181,009.54, 271,558.21 and 54,642.24

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Solution

The fourth proportional to 181,009.54, 271,558.21 and 54,642.24 is: 81,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,009.54 : 271,558.21 = 54,642.24 : x
  2. Step 2: Convert to fraction form
    181,009.54/271,558.21 = 54,642.24/x
  3. Step 3: Cross multiply
    181,009.54x = 271,558.21 × 54,642.24
  4. Step 4: Simplify right side
    181,009.54x = 14,838,548,240.56
  5. Step 5: Solve for x
    x = 14,838,548,240.56/181,009.54
  6. Step 6: Final answer
    x = 81,976.61

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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.