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Finding the Fourth Proportional to 195,405.38, 269,659.43 and 110,520.62

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Solution

The fourth proportional to 195,405.38, 269,659.43 and 110,520.62 is: 152,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,405.38 : 269,659.43 = 110,520.62 : x
  2. Step 2: Convert to fraction form
    195,405.38/269,659.43 = 110,520.62/x
  3. Step 3: Cross multiply
    195,405.38x = 269,659.43 × 110,520.62
  4. Step 4: Simplify right side
    195,405.38x = 29,802,925,491.55
  5. Step 5: Solve for x
    x = 29,802,925,491.55/195,405.38
  6. Step 6: Final answer
    x = 152,518.45

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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.