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Finding the Fourth Proportional to 192,809.45, 288,837.51 and 132,827.33

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Solution

The fourth proportional to 192,809.45, 288,837.51 and 132,827.33 is: 198,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,809.45 : 288,837.51 = 132,827.33 : x
  2. Step 2: Convert to fraction form
    192,809.45/288,837.51 = 132,827.33/x
  3. Step 3: Cross multiply
    192,809.45x = 288,837.51 × 132,827.33
  4. Step 4: Simplify right side
    192,809.45x = 38,365,513,812.96
  5. Step 5: Solve for x
    x = 38,365,513,812.96/192,809.45
  6. Step 6: Final answer
    x = 198,981.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.