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Finding the Fourth Proportional to 219,993.25, 303,594.33 and 119,391.25

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Solution

The fourth proportional to 219,993.25, 303,594.33 and 119,391.25 is: 164,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,993.25 : 303,594.33 = 119,391.25 : x
  2. Step 2: Convert to fraction form
    219,993.25/303,594.33 = 119,391.25/x
  3. Step 3: Cross multiply
    219,993.25x = 303,594.33 × 119,391.25
  4. Step 4: Simplify right side
    219,993.25x = 36,246,506,551.61
  5. Step 5: Solve for x
    x = 36,246,506,551.61/219,993.25
  6. Step 6: Final answer
    x = 164,761.90

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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.