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Finding the Fourth Proportional to 219,392.55, 329,150.79 and 61,622.37

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Solution

The fourth proportional to 219,392.55, 329,150.79 and 61,622.37 is: 92,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,392.55 : 329,150.79 = 61,622.37 : x
  2. Step 2: Convert to fraction form
    219,392.55/329,150.79 = 61,622.37/x
  3. Step 3: Cross multiply
    219,392.55x = 329,150.79 × 61,622.37
  4. Step 4: Simplify right side
    219,392.55x = 20,283,051,767.17
  5. Step 5: Solve for x
    x = 20,283,051,767.17/219,392.55
  6. Step 6: Final answer
    x = 92,450.96

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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.