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Finding the Fourth Proportional to 357,081.10, 492,755.40 and 195,932.14

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Solution

The fourth proportional to 357,081.10, 492,755.40 and 195,932.14 is: 270,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,081.10 : 492,755.40 = 195,932.14 : x
  2. Step 2: Convert to fraction form
    357,081.10/492,755.40 = 195,932.14/x
  3. Step 3: Cross multiply
    357,081.10x = 492,755.40 × 195,932.14
  4. Step 4: Simplify right side
    357,081.10x = 96,546,620,018.56
  5. Step 5: Solve for x
    x = 96,546,620,018.56/357,081.10
  6. Step 6: Final answer
    x = 270,377.29

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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.