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Finding the Fourth Proportional to 190,467, 262,847.42 and 104,433.82

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Solution

The fourth proportional to 190,467, 262,847.42 and 104,433.82 is: 144,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,467 : 262,847.42 = 104,433.82 : x
  2. Step 2: Convert to fraction form
    190,467/262,847.42 = 104,433.82/x
  3. Step 3: Cross multiply
    190,467x = 262,847.42 × 104,433.82
  4. Step 4: Simplify right side
    190,467x = 27,450,160,147.74
  5. Step 5: Solve for x
    x = 27,450,160,147.74/190,467
  6. Step 6: Final answer
    x = 144,120.29

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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.