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Finding the Fourth Proportional to 63,162.48, 87,175.44 and 37,670.40

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Solution

The fourth proportional to 63,162.48, 87,175.44 and 37,670.40 is: 51,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,162.48 : 87,175.44 = 37,670.40 : x
  2. Step 2: Convert to fraction form
    63,162.48/87,175.44 = 37,670.40/x
  3. Step 3: Cross multiply
    63,162.48x = 87,175.44 × 37,670.40
  4. Step 4: Simplify right side
    63,162.48x = 3,283,933,694.98
  5. Step 5: Solve for x
    x = 3,283,933,694.98/63,162.48
  6. Step 6: Final answer
    x = 51,991.84

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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.