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Finding the Fourth Proportional to 63,161.25, 87,160.35 and 37,654.48

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Solution

The fourth proportional to 63,161.25, 87,160.35 and 37,654.48 is: 51,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,161.25 : 87,160.35 = 37,654.48 : x
  2. Step 2: Convert to fraction form
    63,161.25/87,160.35 = 37,654.48/x
  3. Step 3: Cross multiply
    63,161.25x = 87,160.35 × 37,654.48
  4. Step 4: Simplify right side
    63,161.25x = 3,281,977,655.87
  5. Step 5: Solve for x
    x = 3,281,977,655.87/63,161.25
  6. Step 6: Final answer
    x = 51,961.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.