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Finding the Fourth Proportional to 269,761.72, 372,411.08 and 197,083

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Solution

The fourth proportional to 269,761.72, 372,411.08 and 197,083 is: 272,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,761.72 : 372,411.08 = 197,083 : x
  2. Step 2: Convert to fraction form
    269,761.72/372,411.08 = 197,083/x
  3. Step 3: Cross multiply
    269,761.72x = 372,411.08 × 197,083
  4. Step 4: Simplify right side
    269,761.72x = 73,395,892,879.64
  5. Step 5: Solve for x
    x = 73,395,892,879.64/269,761.72
  6. Step 6: Final answer
    x = 272,076.75

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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.