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Finding the Fourth Proportional to 219,793.65, 329,198.40 and 169,711.35

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Solution

The fourth proportional to 219,793.65, 329,198.40 and 169,711.35 is: 254,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,793.65 : 329,198.40 = 169,711.35 : x
  2. Step 2: Convert to fraction form
    219,793.65/329,198.40 = 169,711.35/x
  3. Step 3: Cross multiply
    219,793.65x = 329,198.40 × 169,711.35
  4. Step 4: Simplify right side
    219,793.65x = 55,868,704,881.84
  5. Step 5: Solve for x
    x = 55,868,704,881.84/219,793.65
  6. Step 6: Final answer
    x = 254,187.07

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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.