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Finding the Fourth Proportional to 236,969.76, 327,020.45 and 134,993.71

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Solution

The fourth proportional to 236,969.76, 327,020.45 and 134,993.71 is: 186,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,969.76 : 327,020.45 = 134,993.71 : x
  2. Step 2: Convert to fraction form
    236,969.76/327,020.45 = 134,993.71/x
  3. Step 3: Cross multiply
    236,969.76x = 327,020.45 × 134,993.71
  4. Step 4: Simplify right side
    236,969.76x = 44,145,703,904.85
  5. Step 5: Solve for x
    x = 44,145,703,904.85/236,969.76
  6. Step 6: Final answer
    x = 186,292.56

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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.