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Finding the Fourth Proportional to 192,026.70, 264,996.77 and 107,143.70

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Solution

The fourth proportional to 192,026.70, 264,996.77 and 107,143.70 is: 147,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,026.70 : 264,996.77 = 107,143.70 : x
  2. Step 2: Convert to fraction form
    192,026.70/264,996.77 = 107,143.70/x
  3. Step 3: Cross multiply
    192,026.70x = 264,996.77 × 107,143.70
  4. Step 4: Simplify right side
    192,026.70x = 28,392,732,565.15
  5. Step 5: Solve for x
    x = 28,392,732,565.15/192,026.70
  6. Step 6: Final answer
    x = 147,858.25

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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.