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Finding the Fourth Proportional to 219,027.92, 328,532.76 and 119,816.69

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Solution

The fourth proportional to 219,027.92, 328,532.76 and 119,816.69 is: 179,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027.92 : 328,532.76 = 119,816.69 : x
  2. Step 2: Convert to fraction form
    219,027.92/328,532.76 = 119,816.69/x
  3. Step 3: Cross multiply
    219,027.92x = 328,532.76 × 119,816.69
  4. Step 4: Simplify right side
    219,027.92x = 39,363,706,217.10
  5. Step 5: Solve for x
    x = 39,363,706,217.10/219,027.92
  6. Step 6: Final answer
    x = 179,720.04

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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.