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Finding the Fourth Proportional to 133,520.94, 184,251.78 and 73,079.87

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Solution

The fourth proportional to 133,520.94, 184,251.78 and 73,079.87 is: 100,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,520.94 : 184,251.78 = 73,079.87 : x
  2. Step 2: Convert to fraction form
    133,520.94/184,251.78 = 73,079.87/x
  3. Step 3: Cross multiply
    133,520.94x = 184,251.78 × 73,079.87
  4. Step 4: Simplify right side
    133,520.94x = 13,465,095,208.41
  5. Step 5: Solve for x
    x = 13,465,095,208.41/133,520.94
  6. Step 6: Final answer
    x = 100,846.32

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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.