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Finding the Fourth Proportional to 169,243, 233,556.96 and 93,793.12

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Solution

The fourth proportional to 169,243, 233,556.96 and 93,793.12 is: 129,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,243 : 233,556.96 = 93,793.12 : x
  2. Step 2: Convert to fraction form
    169,243/233,556.96 = 93,793.12/x
  3. Step 3: Cross multiply
    169,243x = 233,556.96 × 93,793.12
  4. Step 4: Simplify right side
    169,243x = 21,906,035,976.12
  5. Step 5: Solve for x
    x = 21,906,035,976.12/169,243
  6. Step 6: Final answer
    x = 129,435.40

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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.