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Finding the Fourth Proportional to 219,884.40, 329,826.60 and 149,900.40

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Solution

The fourth proportional to 219,884.40, 329,826.60 and 149,900.40 is: 224,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884.40 : 329,826.60 = 149,900.40 : x
  2. Step 2: Convert to fraction form
    219,884.40/329,826.60 = 149,900.40/x
  3. Step 3: Cross multiply
    219,884.40x = 329,826.60 × 149,900.40
  4. Step 4: Simplify right side
    219,884.40x = 49,441,139,270.64
  5. Step 5: Solve for x
    x = 49,441,139,270.64/219,884.40
  6. Step 6: Final answer
    x = 224,850.60

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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.