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Finding the Fourth Proportional to 169,061.44, 233,317.92 and 93,616.96

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Solution

The fourth proportional to 169,061.44, 233,317.92 and 93,616.96 is: 129,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,061.44 : 233,317.92 = 93,616.96 : x
  2. Step 2: Convert to fraction form
    169,061.44/233,317.92 = 93,616.96/x
  3. Step 3: Cross multiply
    169,061.44x = 233,317.92 × 93,616.96
  4. Step 4: Simplify right side
    169,061.44x = 21,842,514,383.92
  5. Step 5: Solve for x
    x = 21,842,514,383.92/169,061.44
  6. Step 6: Final answer
    x = 129,198.68

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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.