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Finding the Fourth Proportional to 181,309.88, 250,224.54 and 109,707.56

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Solution

The fourth proportional to 181,309.88, 250,224.54 and 109,707.56 is: 151,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,309.88 : 250,224.54 = 109,707.56 : x
  2. Step 2: Convert to fraction form
    181,309.88/250,224.54 = 109,707.56/x
  3. Step 3: Cross multiply
    181,309.88x = 250,224.54 × 109,707.56
  4. Step 4: Simplify right side
    181,309.88x = 27,451,523,735.52
  5. Step 5: Solve for x
    x = 27,451,523,735.52/181,309.88
  6. Step 6: Final answer
    x = 151,406.66

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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.