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Finding the Fourth Proportional to 220,073, 303,704.42 and 119,471

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Solution

The fourth proportional to 220,073, 303,704.42 and 119,471 is: 164,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,073 : 303,704.42 = 119,471 : x
  2. Step 2: Convert to fraction form
    220,073/303,704.42 = 119,471/x
  3. Step 3: Cross multiply
    220,073x = 303,704.42 × 119,471
  4. Step 4: Simplify right side
    220,073x = 36,283,870,761.82
  5. Step 5: Solve for x
    x = 36,283,870,761.82/220,073
  6. Step 6: Final answer
    x = 164,871.98

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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.