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Finding the Fourth Proportional to 197,604.62, 272,699.68 and 120,053.87

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Solution

The fourth proportional to 197,604.62, 272,699.68 and 120,053.87 is: 165,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,604.62 : 272,699.68 = 120,053.87 : x
  2. Step 2: Convert to fraction form
    197,604.62/272,699.68 = 120,053.87/x
  3. Step 3: Cross multiply
    197,604.62x = 272,699.68 × 120,053.87
  4. Step 4: Simplify right side
    197,604.62x = 32,738,652,282.82
  5. Step 5: Solve for x
    x = 32,738,652,282.82/197,604.62
  6. Step 6: Final answer
    x = 165,677.56

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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.