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Finding the Fourth Proportional to 192,177.56, 265,187.58 and 107,279

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Solution

The fourth proportional to 192,177.56, 265,187.58 and 107,279 is: 148,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,177.56 : 265,187.58 = 107,279 : x
  2. Step 2: Convert to fraction form
    192,177.56/265,187.58 = 107,279/x
  3. Step 3: Cross multiply
    192,177.56x = 265,187.58 × 107,279
  4. Step 4: Simplify right side
    192,177.56x = 28,449,058,394.82
  5. Step 5: Solve for x
    x = 28,449,058,394.82/192,177.56
  6. Step 6: Final answer
    x = 148,035.28

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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.