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Finding the Fourth Proportional to 192,359.73, 265,470.17 and 106,316.86

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Solution

The fourth proportional to 192,359.73, 265,470.17 and 106,316.86 is: 146,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,359.73 : 265,470.17 = 106,316.86 : x
  2. Step 2: Convert to fraction form
    192,359.73/265,470.17 = 106,316.86/x
  3. Step 3: Cross multiply
    192,359.73x = 265,470.17 × 106,316.86
  4. Step 4: Simplify right side
    192,359.73x = 28,223,954,898.07
  5. Step 5: Solve for x
    x = 28,223,954,898.07/192,359.73
  6. Step 6: Final answer
    x = 146,724.86

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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.