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Finding the Fourth Proportional to 133,429.50, 184,138.47 and 73,813.50

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Solution

The fourth proportional to 133,429.50, 184,138.47 and 73,813.50 is: 101,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,429.50 : 184,138.47 = 73,813.50 : x
  2. Step 2: Convert to fraction form
    133,429.50/184,138.47 = 73,813.50/x
  3. Step 3: Cross multiply
    133,429.50x = 184,138.47 × 73,813.50
  4. Step 4: Simplify right side
    133,429.50x = 13,591,904,955.35
  5. Step 5: Solve for x
    x = 13,591,904,955.35/133,429.50
  6. Step 6: Final answer
    x = 101,865.82

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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.