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Finding the Fourth Proportional to 131,241.60, 196,855.52 and 37,743.68

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Solution

The fourth proportional to 131,241.60, 196,855.52 and 37,743.68 is: 56,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,241.60 : 196,855.52 = 37,743.68 : x
  2. Step 2: Convert to fraction form
    131,241.60/196,855.52 = 37,743.68/x
  3. Step 3: Cross multiply
    131,241.60x = 196,855.52 × 37,743.68
  4. Step 4: Simplify right side
    131,241.60x = 7,430,051,753.11
  5. Step 5: Solve for x
    x = 7,430,051,753.11/131,241.60
  6. Step 6: Final answer
    x = 56,613.54

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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.