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Finding the Fourth Proportional to 73,369.97, 100,860.72 and 63,123.33

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Solution

The fourth proportional to 73,369.97, 100,860.72 and 63,123.33 is: 86,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,369.97 : 100,860.72 = 63,123.33 : x
  2. Step 2: Convert to fraction form
    73,369.97/100,860.72 = 63,123.33/x
  3. Step 3: Cross multiply
    73,369.97x = 100,860.72 × 63,123.33
  4. Step 4: Simplify right side
    73,369.97x = 6,366,664,512.60
  5. Step 5: Solve for x
    x = 6,366,664,512.60/73,369.97
  6. Step 6: Final answer
    x = 86,774.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.