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Finding the Fourth Proportional to 219,240.39, 328,881.49 and 61,468.39

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Solution

The fourth proportional to 219,240.39, 328,881.49 and 61,468.39 is: 92,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,240.39 : 328,881.49 = 61,468.39 : x
  2. Step 2: Convert to fraction form
    219,240.39/328,881.49 = 61,468.39/x
  3. Step 3: Cross multiply
    219,240.39x = 328,881.49 × 61,468.39
  4. Step 4: Simplify right side
    219,240.39x = 20,215,814,046.69
  5. Step 5: Solve for x
    x = 20,215,814,046.69/219,240.39
  6. Step 6: Final answer
    x = 92,208.44

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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.