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Finding the Fourth Proportional to 220,072.94, 303,700.96 and 119,470.94

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Solution

The fourth proportional to 220,072.94, 303,700.96 and 119,470.94 is: 164,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,072.94 : 303,700.96 = 119,470.94 : x
  2. Step 2: Convert to fraction form
    220,072.94/303,700.96 = 119,470.94/x
  3. Step 3: Cross multiply
    220,072.94x = 303,700.96 × 119,470.94
  4. Step 4: Simplify right side
    220,072.94x = 36,283,439,170.10
  5. Step 5: Solve for x
    x = 36,283,439,170.10/220,072.94
  6. Step 6: Final answer
    x = 164,870.06

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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.