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Finding the Fourth Proportional to 195,539.50, 269,844.52 and 106,115.50

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Solution

The fourth proportional to 195,539.50, 269,844.52 and 106,115.50 is: 146,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,539.50 : 269,844.52 = 106,115.50 : x
  2. Step 2: Convert to fraction form
    195,539.50/269,844.52 = 106,115.50/x
  3. Step 3: Cross multiply
    195,539.50x = 269,844.52 × 106,115.50
  4. Step 4: Simplify right side
    195,539.50x = 28,634,686,162.06
  5. Step 5: Solve for x
    x = 28,634,686,162.06/195,539.50
  6. Step 6: Final answer
    x = 146,439.40

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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.