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Finding the Fourth Proportional to 263,461.96, 395,193.90 and 63,781.98

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Solution

The fourth proportional to 263,461.96, 395,193.90 and 63,781.98 is: 95,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,461.96 : 395,193.90 = 63,781.98 : x
  2. Step 2: Convert to fraction form
    263,461.96/395,193.90 = 63,781.98/x
  3. Step 3: Cross multiply
    263,461.96x = 395,193.90 × 63,781.98
  4. Step 4: Simplify right side
    263,461.96x = 25,206,249,425.92
  5. Step 5: Solve for x
    x = 25,206,249,425.92/263,461.96
  6. Step 6: Final answer
    x = 95,673.20

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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.