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Finding the Fourth Proportional to 133,866.25, 184,737.89 and 73,439.98

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Solution

The fourth proportional to 133,866.25, 184,737.89 and 73,439.98 is: 101,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,866.25 : 184,737.89 = 73,439.98 : x
  2. Step 2: Convert to fraction form
    133,866.25/184,737.89 = 73,439.98/x
  3. Step 3: Cross multiply
    133,866.25x = 184,737.89 × 73,439.98
  4. Step 4: Simplify right side
    133,866.25x = 13,567,146,946.84
  5. Step 5: Solve for x
    x = 13,567,146,946.84/133,866.25
  6. Step 6: Final answer
    x = 101,348.52

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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.