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Finding the Fourth Proportional to 192,446.88, 265,565.33 and 106,399.11

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Solution

The fourth proportional to 192,446.88, 265,565.33 and 106,399.11 is: 146,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,446.88 : 265,565.33 = 106,399.11 : x
  2. Step 2: Convert to fraction form
    192,446.88/265,565.33 = 106,399.11/x
  3. Step 3: Cross multiply
    192,446.88x = 265,565.33 × 106,399.11
  4. Step 4: Simplify right side
    192,446.88x = 28,255,916,020.72
  5. Step 5: Solve for x
    x = 28,255,916,020.72/192,446.88
  6. Step 6: Final answer
    x = 146,824.49

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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.