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Finding the Fourth Proportional to 254,062.35, 381,241.15 and 113,820.98

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Solution

The fourth proportional to 254,062.35, 381,241.15 and 113,820.98 is: 170,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,062.35 : 381,241.15 = 113,820.98 : x
  2. Step 2: Convert to fraction form
    254,062.35/381,241.15 = 113,820.98/x
  3. Step 3: Cross multiply
    254,062.35x = 381,241.15 × 113,820.98
  4. Step 4: Simplify right side
    254,062.35x = 43,393,240,640.78
  5. Step 5: Solve for x
    x = 43,393,240,640.78/254,062.35
  6. Step 6: Final answer
    x = 170,797.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.