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Finding the Fourth Proportional to 133,471.50, 184,172.44 and 79,745.10

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Solution

The fourth proportional to 133,471.50, 184,172.44 and 79,745.10 is: 110,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,471.50 : 184,172.44 = 79,745.10 : x
  2. Step 2: Convert to fraction form
    133,471.50/184,172.44 = 79,745.10/x
  3. Step 3: Cross multiply
    133,471.50x = 184,172.44 × 79,745.10
  4. Step 4: Simplify right side
    133,471.50x = 14,686,849,645.04
  5. Step 5: Solve for x
    x = 14,686,849,645.04/133,471.50
  6. Step 6: Final answer
    x = 110,037.35

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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.