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Finding the Fourth Proportional to 139,551.24, 192,513.06 and 82,922.52

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Solution

The fourth proportional to 139,551.24, 192,513.06 and 82,922.52 is: 114,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,551.24 : 192,513.06 = 82,922.52 : x
  2. Step 2: Convert to fraction form
    139,551.24/192,513.06 = 82,922.52/x
  3. Step 3: Cross multiply
    139,551.24x = 192,513.06 × 82,922.52
  4. Step 4: Simplify right side
    139,551.24x = 15,963,668,068.11
  5. Step 5: Solve for x
    x = 15,963,668,068.11/139,551.24
  6. Step 6: Final answer
    x = 114,392.88

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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.