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Finding the Fourth Proportional to 106,008, 146,203.41 and 71,960.52

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Solution

The fourth proportional to 106,008, 146,203.41 and 71,960.52 is: 99,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,008 : 146,203.41 = 71,960.52 : x
  2. Step 2: Convert to fraction form
    106,008/146,203.41 = 71,960.52/x
  3. Step 3: Cross multiply
    106,008x = 146,203.41 × 71,960.52
  4. Step 4: Simplify right side
    106,008x = 10,520,873,409.37
  5. Step 5: Solve for x
    x = 10,520,873,409.37/106,008
  6. Step 6: Final answer
    x = 99,246.03

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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.