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Finding the Fourth Proportional to 219,379.41, 329,069.12 and 53,167.41

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Solution

The fourth proportional to 219,379.41, 329,069.12 and 53,167.41 is: 79,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,379.41 : 329,069.12 = 53,167.41 : x
  2. Step 2: Convert to fraction form
    219,379.41/329,069.12 = 53,167.41/x
  3. Step 3: Cross multiply
    219,379.41x = 329,069.12 × 53,167.41
  4. Step 4: Simplify right side
    219,379.41x = 17,495,752,555.54
  5. Step 5: Solve for x
    x = 17,495,752,555.54/219,379.41
  6. Step 6: Final answer
    x = 79,751.12

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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.