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Finding the Fourth Proportional to 133,595.73, 184,363.02 and 73,171.89

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Solution

The fourth proportional to 133,595.73, 184,363.02 and 73,171.89 is: 100,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,595.73 : 184,363.02 = 73,171.89 : x
  2. Step 2: Convert to fraction form
    133,595.73/184,363.02 = 73,171.89/x
  3. Step 3: Cross multiply
    133,595.73x = 184,363.02 × 73,171.89
  4. Step 4: Simplify right side
    133,595.73x = 13,490,190,619.51
  5. Step 5: Solve for x
    x = 13,490,190,619.51/133,595.73
  6. Step 6: Final answer
    x = 100,977.71

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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.