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Finding the Fourth Proportional to 139,322.03, 192,323.25 and 94,061.32

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Solution

The fourth proportional to 139,322.03, 192,323.25 and 94,061.32 is: 129,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,322.03 : 192,323.25 = 94,061.32 : x
  2. Step 2: Convert to fraction form
    139,322.03/192,323.25 = 94,061.32/x
  3. Step 3: Cross multiply
    139,322.03x = 192,323.25 × 94,061.32
  4. Step 4: Simplify right side
    139,322.03x = 18,090,178,280.88
  5. Step 5: Solve for x
    x = 18,090,178,280.88/139,322.03
  6. Step 6: Final answer
    x = 129,844.35

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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.