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Finding the Fourth Proportional to 263,627, 395,358.72 and 95,125.40

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Solution

The fourth proportional to 263,627, 395,358.72 and 95,125.40 is: 142,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,627 : 395,358.72 = 95,125.40 : x
  2. Step 2: Convert to fraction form
    263,627/395,358.72 = 95,125.40/x
  3. Step 3: Cross multiply
    263,627x = 395,358.72 × 95,125.40
  4. Step 4: Simplify right side
    263,627x = 37,608,656,383.49
  5. Step 5: Solve for x
    x = 37,608,656,383.49/263,627
  6. Step 6: Final answer
    x = 142,658.59

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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.