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Finding the Fourth Proportional to 139,373.04, 192,362.78 and 82,773.48

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Solution

The fourth proportional to 139,373.04, 192,362.78 and 82,773.48 is: 114,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,373.04 : 192,362.78 = 82,773.48 : x
  2. Step 2: Convert to fraction form
    139,373.04/192,362.78 = 82,773.48/x
  3. Step 3: Cross multiply
    139,373.04x = 192,362.78 × 82,773.48
  4. Step 4: Simplify right side
    139,373.04x = 15,922,536,723.07
  5. Step 5: Solve for x
    x = 15,922,536,723.07/139,373.04
  6. Step 6: Final answer
    x = 114,244.02

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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.