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Finding the Fourth Proportional to 219,967.70, 329,919.15 and 62,212.10

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Solution

The fourth proportional to 219,967.70, 329,919.15 and 62,212.10 is: 93,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,967.70 : 329,919.15 = 62,212.10 : x
  2. Step 2: Convert to fraction form
    219,967.70/329,919.15 = 62,212.10/x
  3. Step 3: Cross multiply
    219,967.70x = 329,919.15 × 62,212.10
  4. Step 4: Simplify right side
    219,967.70x = 20,524,963,151.72
  5. Step 5: Solve for x
    x = 20,524,963,151.72/219,967.70
  6. Step 6: Final answer
    x = 93,308.99

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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.