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Finding the Fourth Proportional to 219,672.04, 329,131.95 and 119,902.27

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Solution

The fourth proportional to 219,672.04, 329,131.95 and 119,902.27 is: 179,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,672.04 : 329,131.95 = 119,902.27 : x
  2. Step 2: Convert to fraction form
    219,672.04/329,131.95 = 119,902.27/x
  3. Step 3: Cross multiply
    219,672.04x = 329,131.95 × 119,902.27
  4. Step 4: Simplify right side
    219,672.04x = 39,463,667,934.53
  5. Step 5: Solve for x
    x = 39,463,667,934.53/219,672.04
  6. Step 6: Final answer
    x = 179,648.12

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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.