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Finding the Fourth Proportional to 252,241, 348,094.94 and 139,067.80

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Solution

The fourth proportional to 252,241, 348,094.94 and 139,067.80 is: 191,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,241 : 348,094.94 = 139,067.80 : x
  2. Step 2: Convert to fraction form
    252,241/348,094.94 = 139,067.80/x
  3. Step 3: Cross multiply
    252,241x = 348,094.94 × 139,067.80
  4. Step 4: Simplify right side
    252,241x = 48,408,797,496.93
  5. Step 5: Solve for x
    x = 48,408,797,496.93/252,241
  6. Step 6: Final answer
    x = 191,914.87

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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.