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Finding the Fourth Proportional to 192,647.87, 265,848.04 and 106,601.66

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Solution

The fourth proportional to 192,647.87, 265,848.04 and 106,601.66 is: 147,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,647.87 : 265,848.04 = 106,601.66 : x
  2. Step 2: Convert to fraction form
    192,647.87/265,848.04 = 106,601.66/x
  3. Step 3: Cross multiply
    192,647.87x = 265,848.04 × 106,601.66
  4. Step 4: Simplify right side
    192,647.87x = 28,339,842,371.75
  5. Step 5: Solve for x
    x = 28,339,842,371.75/192,647.87
  6. Step 6: Final answer
    x = 147,106.96

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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.