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Finding the Fourth Proportional to 181,314.88, 250,231.44 and 109,712.56

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Solution

The fourth proportional to 181,314.88, 250,231.44 and 109,712.56 is: 151,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,314.88 : 250,231.44 = 109,712.56 : x
  2. Step 2: Convert to fraction form
    181,314.88/250,231.44 = 109,712.56/x
  3. Step 3: Cross multiply
    181,314.88x = 250,231.44 × 109,712.56
  4. Step 4: Simplify right side
    181,314.88x = 27,453,531,874.89
  5. Step 5: Solve for x
    x = 27,453,531,874.89/181,314.88
  6. Step 6: Final answer
    x = 151,413.56

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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.