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Finding the Fourth Proportional to 133,561.53, 184,314.96 and 73,136.00

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Solution

The fourth proportional to 133,561.53, 184,314.96 and 73,136.00 is: 100,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,561.53 : 184,314.96 = 73,136.00 : x
  2. Step 2: Convert to fraction form
    133,561.53/184,314.96 = 73,136.00/x
  3. Step 3: Cross multiply
    133,561.53x = 184,314.96 × 73,136.00
  4. Step 4: Simplify right side
    133,561.53x = 13,480,059,375.35
  5. Step 5: Solve for x
    x = 13,480,059,375.35/133,561.53
  6. Step 6: Final answer
    x = 100,927.71

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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.