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Finding the Fourth Proportional to 133,718.45, 184,531.44 and 73,291.04

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Solution

The fourth proportional to 133,718.45, 184,531.44 and 73,291.04 is: 101,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,718.45 : 184,531.44 = 73,291.04 : x
  2. Step 2: Convert to fraction form
    133,718.45/184,531.44 = 73,291.04/x
  3. Step 3: Cross multiply
    133,718.45x = 184,531.44 × 73,291.04
  4. Step 4: Simplify right side
    133,718.45x = 13,524,501,150.30
  5. Step 5: Solve for x
    x = 13,524,501,150.30/133,718.45
  6. Step 6: Final answer
    x = 101,141.62

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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.