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Finding the Fourth Proportional to 181,373.44, 250,292.16 and 100,800.96

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Solution

The fourth proportional to 181,373.44, 250,292.16 and 100,800.96 is: 139,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,373.44 : 250,292.16 = 100,800.96 : x
  2. Step 2: Convert to fraction form
    181,373.44/250,292.16 = 100,800.96/x
  3. Step 3: Cross multiply
    181,373.44x = 250,292.16 × 100,800.96
  4. Step 4: Simplify right side
    181,373.44x = 25,229,690,008.47
  5. Step 5: Solve for x
    x = 25,229,690,008.47/181,373.44
  6. Step 6: Final answer
    x = 139,103.55

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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.