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Finding the Fourth Proportional to 169,767.39, 234,267.49 and 93,291.80

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Solution

The fourth proportional to 169,767.39, 234,267.49 and 93,291.80 is: 128,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,767.39 : 234,267.49 = 93,291.80 : x
  2. Step 2: Convert to fraction form
    169,767.39/234,267.49 = 93,291.80/x
  3. Step 3: Cross multiply
    169,767.39x = 234,267.49 × 93,291.80
  4. Step 4: Simplify right side
    169,767.39x = 21,855,236,086.61
  5. Step 5: Solve for x
    x = 21,855,236,086.61/169,767.39
  6. Step 6: Final answer
    x = 128,736.36

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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.