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Finding the Fourth Proportional to 197,668.92, 272,783.22 and 107,025.48

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Solution

The fourth proportional to 197,668.92, 272,783.22 and 107,025.48 is: 147,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,668.92 : 272,783.22 = 107,025.48 : x
  2. Step 2: Convert to fraction form
    197,668.92/272,783.22 = 107,025.48/x
  3. Step 3: Cross multiply
    197,668.92x = 272,783.22 × 107,025.48
  4. Step 4: Simplify right side
    197,668.92x = 29,194,755,056.45
  5. Step 5: Solve for x
    x = 29,194,755,056.45/197,668.92
  6. Step 6: Final answer
    x = 147,695.22

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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.