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Finding the Fourth Proportional to 219,603.06, 329,401.13 and 69,841.19

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Solution

The fourth proportional to 219,603.06, 329,401.13 and 69,841.19 is: 104,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,603.06 : 329,401.13 = 69,841.19 : x
  2. Step 2: Convert to fraction form
    219,603.06/329,401.13 = 69,841.19/x
  3. Step 3: Cross multiply
    219,603.06x = 329,401.13 × 69,841.19
  4. Step 4: Simplify right side
    219,603.06x = 23,005,764,910.33
  5. Step 5: Solve for x
    x = 23,005,764,910.33/219,603.06
  6. Step 6: Final answer
    x = 104,760.68

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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.