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Finding the Fourth Proportional to 181,809.44, 250,904.43 and 101,231.86

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Solution

The fourth proportional to 181,809.44, 250,904.43 and 101,231.86 is: 139,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,809.44 : 250,904.43 = 101,231.86 : x
  2. Step 2: Convert to fraction form
    181,809.44/250,904.43 = 101,231.86/x
  3. Step 3: Cross multiply
    181,809.44x = 250,904.43 × 101,231.86
  4. Step 4: Simplify right side
    181,809.44x = 25,399,521,503.88
  5. Step 5: Solve for x
    x = 25,399,521,503.88/181,809.44
  6. Step 6: Final answer
    x = 139,704.08

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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.