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Finding the Fourth Proportional to 219,604.94, 329,403.94 and 69,843.06

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Solution

The fourth proportional to 219,604.94, 329,403.94 and 69,843.06 is: 104,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,604.94 : 329,403.94 = 69,843.06 : x
  2. Step 2: Convert to fraction form
    219,604.94/329,403.94 = 69,843.06/x
  3. Step 3: Cross multiply
    219,604.94x = 329,403.94 × 69,843.06
  4. Step 4: Simplify right side
    219,604.94x = 23,006,579,145.66
  5. Step 5: Solve for x
    x = 23,006,579,145.66/219,604.94
  6. Step 6: Final answer
    x = 104,763.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.