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Finding the Fourth Proportional to 139,953.78, 192,983.76 and 94,552.92

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Solution

The fourth proportional to 139,953.78, 192,983.76 and 94,552.92 is: 130,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,953.78 : 192,983.76 = 94,552.92 : x
  2. Step 2: Convert to fraction form
    139,953.78/192,983.76 = 94,552.92/x
  3. Step 3: Cross multiply
    139,953.78x = 192,983.76 × 94,552.92
  4. Step 4: Simplify right side
    139,953.78x = 18,247,178,020.58
  5. Step 5: Solve for x
    x = 18,247,178,020.58/139,953.78
  6. Step 6: Final answer
    x = 130,380.03

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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.