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Finding the Fourth Proportional to 192,751.52, 265,992.90 and 106,705.52

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Solution

The fourth proportional to 192,751.52, 265,992.90 and 106,705.52 is: 147,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,751.52 : 265,992.90 = 106,705.52 : x
  2. Step 2: Convert to fraction form
    192,751.52/265,992.90 = 106,705.52/x
  3. Step 3: Cross multiply
    192,751.52x = 265,992.90 × 106,705.52
  4. Step 4: Simplify right side
    192,751.52x = 28,382,910,710.81
  5. Step 5: Solve for x
    x = 28,382,910,710.81/192,751.52
  6. Step 6: Final answer
    x = 147,251.29

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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.