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Finding the Fourth Proportional to 139,797.36, 192,962.52 and 95,111.28

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Solution

The fourth proportional to 139,797.36, 192,962.52 and 95,111.28 is: 131,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,797.36 : 192,962.52 = 95,111.28 : x
  2. Step 2: Convert to fraction form
    139,797.36/192,962.52 = 95,111.28/x
  3. Step 3: Cross multiply
    139,797.36x = 192,962.52 × 95,111.28
  4. Step 4: Simplify right side
    139,797.36x = 18,352,912,269.23
  5. Step 5: Solve for x
    x = 18,352,912,269.23/139,797.36
  6. Step 6: Final answer
    x = 131,282.25

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Why These Related Problems?

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