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Finding the Fourth Proportional to 159,550.29, 219,979.80 and 102,095.37

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Solution

The fourth proportional to 159,550.29, 219,979.80 and 102,095.37 is: 140,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,550.29 : 219,979.80 = 102,095.37 : x
  2. Step 2: Convert to fraction form
    159,550.29/219,979.80 = 102,095.37/x
  3. Step 3: Cross multiply
    159,550.29x = 219,979.80 × 102,095.37
  4. Step 4: Simplify right side
    159,550.29x = 22,458,919,073.53
  5. Step 5: Solve for x
    x = 22,458,919,073.53/159,550.29
  6. Step 6: Final answer
    x = 140,763.89

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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.