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Finding the Fourth Proportional to 219,488.44, 329,199 and 69,709.36

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Solution

The fourth proportional to 219,488.44, 329,199 and 69,709.36 is: 104,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,488.44 : 329,199 = 69,709.36 : x
  2. Step 2: Convert to fraction form
    219,488.44/329,199 = 69,709.36/x
  3. Step 3: Cross multiply
    219,488.44x = 329,199 × 69,709.36
  4. Step 4: Simplify right side
    219,488.44x = 22,948,251,602.64
  5. Step 5: Solve for x
    x = 22,948,251,602.64/219,488.44
  6. Step 6: Final answer
    x = 104,553.35

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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.