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Finding the Fourth Proportional to 263,375.72, 395,113.42 and 83,506.45

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Solution

The fourth proportional to 263,375.72, 395,113.42 and 83,506.45 is: 125,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,375.72 : 395,113.42 = 83,506.45 : x
  2. Step 2: Convert to fraction form
    263,375.72/395,113.42 = 83,506.45/x
  3. Step 3: Cross multiply
    263,375.72x = 395,113.42 × 83,506.45
  4. Step 4: Simplify right side
    263,375.72x = 32,994,519,051.56
  5. Step 5: Solve for x
    x = 32,994,519,051.56/263,375.72
  6. Step 6: Final answer
    x = 125,275.48

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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.