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Finding the Fourth Proportional to 139,322.52, 192,323.94 and 94,061.82

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Solution

The fourth proportional to 139,322.52, 192,323.94 and 94,061.82 is: 129,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,322.52 : 192,323.94 = 94,061.82 : x
  2. Step 2: Convert to fraction form
    139,322.52/192,323.94 = 94,061.82/x
  3. Step 3: Cross multiply
    139,322.52x = 192,323.94 × 94,061.82
  4. Step 4: Simplify right side
    139,322.52x = 18,090,339,825.97
  5. Step 5: Solve for x
    x = 18,090,339,825.97/139,322.52
  6. Step 6: Final answer
    x = 129,845.05

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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.