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Finding the Fourth Proportional to 133,670.91, 184,465.92 and 73,243.90

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Solution

The fourth proportional to 133,670.91, 184,465.92 and 73,243.90 is: 101,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,670.91 : 184,465.92 = 73,243.90 : x
  2. Step 2: Convert to fraction form
    133,670.91/184,465.92 = 73,243.90/x
  3. Step 3: Cross multiply
    133,670.91x = 184,465.92 × 73,243.90
  4. Step 4: Simplify right side
    133,670.91x = 13,511,003,397.89
  5. Step 5: Solve for x
    x = 13,511,003,397.89/133,670.91
  6. Step 6: Final answer
    x = 101,076.62

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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.