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Finding the Fourth Proportional to 269,984.72, 372,052.68 and 194,390.48

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Solution

The fourth proportional to 269,984.72, 372,052.68 and 194,390.48 is: 267,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,984.72 : 372,052.68 = 194,390.48 : x
  2. Step 2: Convert to fraction form
    269,984.72/372,052.68 = 194,390.48/x
  3. Step 3: Cross multiply
    269,984.72x = 372,052.68 × 194,390.48
  4. Step 4: Simplify right side
    269,984.72x = 72,323,499,050.49
  5. Step 5: Solve for x
    x = 72,323,499,050.49/269,984.72
  6. Step 6: Final answer
    x = 267,879.97

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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.