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Finding the Fourth Proportional to 133,810.82, 184,661.47 and 73,377.87

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Solution

The fourth proportional to 133,810.82, 184,661.47 and 73,377.87 is: 101,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,810.82 : 184,661.47 = 73,377.87 : x
  2. Step 2: Convert to fraction form
    133,810.82/184,661.47 = 73,377.87/x
  3. Step 3: Cross multiply
    133,810.82x = 184,661.47 × 73,377.87
  4. Step 4: Simplify right side
    133,810.82x = 13,550,064,738.91
  5. Step 5: Solve for x
    x = 13,550,064,738.91/133,810.82
  6. Step 6: Final answer
    x = 101,262.85

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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.