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Finding the Fourth Proportional to 126,745.83, 174,858.08 and 73,002.11

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Solution

The fourth proportional to 126,745.83, 174,858.08 and 73,002.11 is: 100,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,745.83 : 174,858.08 = 73,002.11 : x
  2. Step 2: Convert to fraction form
    126,745.83/174,858.08 = 73,002.11/x
  3. Step 3: Cross multiply
    126,745.83x = 174,858.08 × 73,002.11
  4. Step 4: Simplify right side
    126,745.83x = 12,765,007,551.25
  5. Step 5: Solve for x
    x = 12,765,007,551.25/126,745.83
  6. Step 6: Final answer
    x = 100,713.43

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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.