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Finding the Fourth Proportional to 169,808.71, 234,341.30 and 93,326.43

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Solution

The fourth proportional to 169,808.71, 234,341.30 and 93,326.43 is: 128,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,808.71 : 234,341.30 = 93,326.43 : x
  2. Step 2: Convert to fraction form
    169,808.71/234,341.30 = 93,326.43/x
  3. Step 3: Cross multiply
    169,808.71x = 234,341.30 × 93,326.43
  4. Step 4: Simplify right side
    169,808.71x = 21,870,236,930.56
  5. Step 5: Solve for x
    x = 21,870,236,930.56/169,808.71
  6. Step 6: Final answer
    x = 128,793.38

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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.