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Finding the Fourth Proportional to 269,338.84, 371,690.22 and 148,484.68

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Solution

The fourth proportional to 269,338.84, 371,690.22 and 148,484.68 is: 204,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,338.84 : 371,690.22 = 148,484.68 : x
  2. Step 2: Convert to fraction form
    269,338.84/371,690.22 = 148,484.68/x
  3. Step 3: Cross multiply
    269,338.84x = 371,690.22 × 148,484.68
  4. Step 4: Simplify right side
    269,338.84x = 55,190,303,375.83
  5. Step 5: Solve for x
    x = 55,190,303,375.83/269,338.84
  6. Step 6: Final answer
    x = 204,910.30

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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.