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Finding the Fourth Proportional to 219,350.10, 329,025.15 and 148,491.30

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Solution

The fourth proportional to 219,350.10, 329,025.15 and 148,491.30 is: 222,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,350.10 : 329,025.15 = 148,491.30 : x
  2. Step 2: Convert to fraction form
    219,350.10/329,025.15 = 148,491.30/x
  3. Step 3: Cross multiply
    219,350.10x = 329,025.15 × 148,491.30
  4. Step 4: Simplify right side
    219,350.10x = 48,857,372,256.20
  5. Step 5: Solve for x
    x = 48,857,372,256.20/219,350.10
  6. Step 6: Final answer
    x = 222,736.95

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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.