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Finding the Fourth Proportional to 79,625.76, 118,800.73 and 63,540.37

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Solution

The fourth proportional to 79,625.76, 118,800.73 and 63,540.37 is: 94,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,625.76 : 118,800.73 = 63,540.37 : x
  2. Step 2: Convert to fraction form
    79,625.76/118,800.73 = 63,540.37/x
  3. Step 3: Cross multiply
    79,625.76x = 118,800.73 × 63,540.37
  4. Step 4: Simplify right side
    79,625.76x = 7,548,642,340.47
  5. Step 5: Solve for x
    x = 7,548,642,340.47/79,625.76
  6. Step 6: Final answer
    x = 94,801.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.