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Finding the Fourth Proportional to 219,244.59, 328,915.49 and 69,493.82

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Solution

The fourth proportional to 219,244.59, 328,915.49 and 69,493.82 is: 104,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,244.59 : 328,915.49 = 69,493.82 : x
  2. Step 2: Convert to fraction form
    219,244.59/328,915.49 = 69,493.82/x
  3. Step 3: Cross multiply
    219,244.59x = 328,915.49 × 69,493.82
  4. Step 4: Simplify right side
    219,244.59x = 22,857,591,865.23
  5. Step 5: Solve for x
    x = 22,857,591,865.23/219,244.59
  6. Step 6: Final answer
    x = 104,256.13

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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.