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Finding the Fourth Proportional to 169,130.39, 233,389.92 and 92,634.26

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Solution

The fourth proportional to 169,130.39, 233,389.92 and 92,634.26 is: 127,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,130.39 : 233,389.92 = 92,634.26 : x
  2. Step 2: Convert to fraction form
    169,130.39/233,389.92 = 92,634.26/x
  3. Step 3: Cross multiply
    169,130.39x = 233,389.92 × 92,634.26
  4. Step 4: Simplify right side
    169,130.39x = 21,619,901,976.70
  5. Step 5: Solve for x
    x = 21,619,901,976.70/169,130.39
  6. Step 6: Final answer
    x = 127,829.79

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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.