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Finding the Fourth Proportional to 170,144.33, 234,791.11 and 93,661.86

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Solution

The fourth proportional to 170,144.33, 234,791.11 and 93,661.86 is: 129,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,144.33 : 234,791.11 = 93,661.86 : x
  2. Step 2: Convert to fraction form
    170,144.33/234,791.11 = 93,661.86/x
  3. Step 3: Cross multiply
    170,144.33x = 234,791.11 × 93,661.86
  4. Step 4: Simplify right side
    170,144.33x = 21,990,971,839.91
  5. Step 5: Solve for x
    x = 21,990,971,839.91/170,144.33
  6. Step 6: Final answer
    x = 129,248.93

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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.