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Finding the Fourth Proportional to 181,344.60, 250,241.22 and 100,770.84

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Solution

The fourth proportional to 181,344.60, 250,241.22 and 100,770.84 is: 139,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,344.60 : 250,241.22 = 100,770.84 : x
  2. Step 2: Convert to fraction form
    181,344.60/250,241.22 = 100,770.84/x
  3. Step 3: Cross multiply
    181,344.60x = 250,241.22 × 100,770.84
  4. Step 4: Simplify right side
    181,344.60x = 25,217,017,942.02
  5. Step 5: Solve for x
    x = 25,217,017,942.02/181,344.60
  6. Step 6: Final answer
    x = 139,055.80

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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.