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Finding the Fourth Proportional to 63,180.60, 87,157.72 and 37,668.97

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Solution

The fourth proportional to 63,180.60, 87,157.72 and 37,668.97 is: 51,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,180.60 : 87,157.72 = 37,668.97 : x
  2. Step 2: Convert to fraction form
    63,180.60/87,157.72 = 37,668.97/x
  3. Step 3: Cross multiply
    63,180.60x = 87,157.72 × 37,668.97
  4. Step 4: Simplify right side
    63,180.60x = 3,283,141,539.95
  5. Step 5: Solve for x
    x = 3,283,141,539.95/63,180.60
  6. Step 6: Final answer
    x = 51,964.39

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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.