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Finding the Fourth Proportional to 219,604.75, 303,054.56 and 119,002.75

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Solution

The fourth proportional to 219,604.75, 303,054.56 and 119,002.75 is: 164,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,604.75 : 303,054.56 = 119,002.75 : x
  2. Step 2: Convert to fraction form
    219,604.75/303,054.56 = 119,002.75/x
  3. Step 3: Cross multiply
    219,604.75x = 303,054.56 × 119,002.75
  4. Step 4: Simplify right side
    219,604.75x = 36,064,326,040.04
  5. Step 5: Solve for x
    x = 36,064,326,040.04/219,604.75
  6. Step 6: Final answer
    x = 164,223.80

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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.