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Finding the Fourth Proportional to 139,101.46, 192,034.44 and 108,822.44

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Solution

The fourth proportional to 139,101.46, 192,034.44 and 108,822.44 is: 150,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,101.46 : 192,034.44 = 108,822.44 : x
  2. Step 2: Convert to fraction form
    139,101.46/192,034.44 = 108,822.44/x
  3. Step 3: Cross multiply
    139,101.46x = 192,034.44 × 108,822.44
  4. Step 4: Simplify right side
    139,101.46x = 20,897,656,324.83
  5. Step 5: Solve for x
    x = 20,897,656,324.83/139,101.46
  6. Step 6: Final answer
    x = 150,233.19

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1.5x scale

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.