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Finding the Fourth Proportional to 79,640.52, 109,918.48 and 46,106.52

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Solution

The fourth proportional to 79,640.52, 109,918.48 and 46,106.52 is: 63,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,640.52 : 109,918.48 = 46,106.52 : x
  2. Step 2: Convert to fraction form
    79,640.52/109,918.48 = 46,106.52/x
  3. Step 3: Cross multiply
    79,640.52x = 109,918.48 × 46,106.52
  4. Step 4: Simplify right side
    79,640.52x = 5,067,958,596.49
  5. Step 5: Solve for x
    x = 5,067,958,596.49/79,640.52
  6. Step 6: Final answer
    x = 63,635.43

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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.