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Finding the Fourth Proportional to 74,197.04, 111,294 and 18,037.44

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Solution

The fourth proportional to 74,197.04, 111,294 and 18,037.44 is: 27,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197.04 : 111,294 = 18,037.44 : x
  2. Step 2: Convert to fraction form
    74,197.04/111,294 = 18,037.44/x
  3. Step 3: Cross multiply
    74,197.04x = 111,294 × 18,037.44
  4. Step 4: Simplify right side
    74,197.04x = 2,007,458,847.36
  5. Step 5: Solve for x
    x = 2,007,458,847.36/74,197.04
  6. Step 6: Final answer
    x = 27,055.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.