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Finding the Fourth Proportional to 219,468.99, 329,203.49 and 61,697.44

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Solution

The fourth proportional to 219,468.99, 329,203.49 and 61,697.44 is: 92,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,468.99 : 329,203.49 = 61,697.44 : x
  2. Step 2: Convert to fraction form
    219,468.99/329,203.49 = 61,697.44/x
  3. Step 3: Cross multiply
    219,468.99x = 329,203.49 × 61,697.44
  4. Step 4: Simplify right side
    219,468.99x = 20,311,012,572.07
  5. Step 5: Solve for x
    x = 20,311,012,572.07/219,468.99
  6. Step 6: Final answer
    x = 92,546.16

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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.