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Finding the Fourth Proportional to 197,754.17, 272,917.52 and 111,728.94

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Solution

The fourth proportional to 197,754.17, 272,917.52 and 111,728.94 is: 154,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,754.17 : 272,917.52 = 111,728.94 : x
  2. Step 2: Convert to fraction form
    197,754.17/272,917.52 = 111,728.94/x
  3. Step 3: Cross multiply
    197,754.17x = 272,917.52 × 111,728.94
  4. Step 4: Simplify right side
    197,754.17x = 30,492,784,658.38
  5. Step 5: Solve for x
    x = 30,492,784,658.38/197,754.17
  6. Step 6: Final answer
    x = 154,195.41

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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.