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Finding the Fourth Proportional to 219,462.49, 329,193.74 and 61,690.96

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Solution

The fourth proportional to 219,462.49, 329,193.74 and 61,690.96 is: 92,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,462.49 : 329,193.74 = 61,690.96 : x
  2. Step 2: Convert to fraction form
    219,462.49/329,193.74 = 61,690.96/x
  3. Step 3: Cross multiply
    219,462.49x = 329,193.74 × 61,690.96
  4. Step 4: Simplify right side
    219,462.49x = 20,308,277,177.83
  5. Step 5: Solve for x
    x = 20,308,277,177.83/219,462.49
  6. Step 6: Final answer
    x = 92,536.44

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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.