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Finding the Fourth Proportional to 191,997.73, 264,956.43 and 111,472.39

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Solution

The fourth proportional to 191,997.73, 264,956.43 and 111,472.39 is: 153,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,997.73 : 264,956.43 = 111,472.39 : x
  2. Step 2: Convert to fraction form
    191,997.73/264,956.43 = 111,472.39/x
  3. Step 3: Cross multiply
    191,997.73x = 264,956.43 × 111,472.39
  4. Step 4: Simplify right side
    191,997.73x = 29,535,326,497.97
  5. Step 5: Solve for x
    x = 29,535,326,497.97/191,997.73
  6. Step 6: Final answer
    x = 153,831.64

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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.