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Finding the Fourth Proportional to 190,540, 262,948.83 and 104,493.55

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Solution

The fourth proportional to 190,540, 262,948.83 and 104,493.55 is: 144,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,540 : 262,948.83 = 104,493.55 : x
  2. Step 2: Convert to fraction form
    190,540/262,948.83 = 104,493.55/x
  3. Step 3: Cross multiply
    190,540x = 262,948.83 × 104,493.55
  4. Step 4: Simplify right side
    190,540x = 27,476,456,715.05
  5. Step 5: Solve for x
    x = 27,476,456,715.05/190,540
  6. Step 6: Final answer
    x = 144,203.09

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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.