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Finding the Fourth Proportional to 169,809.42, 234,335.79 and 92,284.47

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Solution

The fourth proportional to 169,809.42, 234,335.79 and 92,284.47 is: 127,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,809.42 : 234,335.79 = 92,284.47 : x
  2. Step 2: Convert to fraction form
    169,809.42/234,335.79 = 92,284.47/x
  3. Step 3: Cross multiply
    169,809.42x = 234,335.79 × 92,284.47
  4. Step 4: Simplify right side
    169,809.42x = 21,625,554,182.18
  5. Step 5: Solve for x
    x = 21,625,554,182.18/169,809.42
  6. Step 6: Final answer
    x = 127,351.91

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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.