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Finding the Fourth Proportional to 169,930.26, 234,498.79 and 93,449.28

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Solution

The fourth proportional to 169,930.26, 234,498.79 and 93,449.28 is: 128,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,930.26 : 234,498.79 = 93,449.28 : x
  2. Step 2: Convert to fraction form
    169,930.26/234,498.79 = 93,449.28/x
  3. Step 3: Cross multiply
    169,930.26x = 234,498.79 × 93,449.28
  4. Step 4: Simplify right side
    169,930.26x = 21,913,743,086.37
  5. Step 5: Solve for x
    x = 21,913,743,086.37/169,930.26
  6. Step 6: Final answer
    x = 128,957.27

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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.