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Finding the Fourth Proportional to 173,287.76, 239,138.92 and 101,668.96

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Solution

The fourth proportional to 173,287.76, 239,138.92 and 101,668.96 is: 140,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,287.76 : 239,138.92 = 101,668.96 : x
  2. Step 2: Convert to fraction form
    173,287.76/239,138.92 = 101,668.96/x
  3. Step 3: Cross multiply
    173,287.76x = 239,138.92 × 101,668.96
  4. Step 4: Simplify right side
    173,287.76x = 24,313,005,291.92
  5. Step 5: Solve for x
    x = 24,313,005,291.92/173,287.76
  6. Step 6: Final answer
    x = 140,304.23

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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.