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Finding the Fourth Proportional to 192,069.29, 265,080.70 and 107,203.97

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Solution

The fourth proportional to 192,069.29, 265,080.70 and 107,203.97 is: 147,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,069.29 : 265,080.70 = 107,203.97 : x
  2. Step 2: Convert to fraction form
    192,069.29/265,080.70 = 107,203.97/x
  3. Step 3: Cross multiply
    192,069.29x = 265,080.70 × 107,203.97
  4. Step 4: Simplify right side
    192,069.29x = 28,417,704,207.09
  5. Step 5: Solve for x
    x = 28,417,704,207.09/192,069.29
  6. Step 6: Final answer
    x = 147,955.48

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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.