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Finding the Fourth Proportional to 192,502.82, 265,654.48 and 107,619.88

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Solution

The fourth proportional to 192,502.82, 265,654.48 and 107,619.88 is: 148,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,502.82 : 265,654.48 = 107,619.88 : x
  2. Step 2: Convert to fraction form
    192,502.82/265,654.48 = 107,619.88/x
  3. Step 3: Cross multiply
    192,502.82x = 265,654.48 × 107,619.88
  4. Step 4: Simplify right side
    192,502.82x = 28,589,703,259.06
  5. Step 5: Solve for x
    x = 28,589,703,259.06/192,502.82
  6. Step 6: Final answer
    x = 148,515.76

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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.