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Finding the Fourth Proportional to 139,324.32, 192,326.42 and 94,063.61

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Solution

The fourth proportional to 139,324.32, 192,326.42 and 94,063.61 is: 129,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,324.32 : 192,326.42 = 94,063.61 : x
  2. Step 2: Convert to fraction form
    139,324.32/192,326.42 = 94,063.61/x
  3. Step 3: Cross multiply
    139,324.32x = 192,326.42 × 94,063.61
  4. Step 4: Simplify right side
    139,324.32x = 18,090,918,079.55
  5. Step 5: Solve for x
    x = 18,090,918,079.55/139,324.32
  6. Step 6: Final answer
    x = 129,847.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.