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Finding the Fourth Proportional to 269,348.41, 371,703.21 and 148,493.95

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Solution

The fourth proportional to 269,348.41, 371,703.21 and 148,493.95 is: 204,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.41 : 371,703.21 = 148,493.95 : x
  2. Step 2: Convert to fraction form
    269,348.41/371,703.21 = 148,493.95/x
  3. Step 3: Cross multiply
    269,348.41x = 371,703.21 × 148,493.95
  4. Step 4: Simplify right side
    269,348.41x = 55,195,677,880.58
  5. Step 5: Solve for x
    x = 55,195,677,880.58/269,348.41
  6. Step 6: Final answer
    x = 204,922.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.