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Finding the Fourth Proportional to 133,858.53, 184,723.47 and 73,426.32

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Solution

The fourth proportional to 133,858.53, 184,723.47 and 73,426.32 is: 101,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,858.53 : 184,723.47 = 73,426.32 : x
  2. Step 2: Convert to fraction form
    133,858.53/184,723.47 = 73,426.32/x
  3. Step 3: Cross multiply
    133,858.53x = 184,723.47 × 73,426.32
  4. Step 4: Simplify right side
    133,858.53x = 13,563,564,619.73
  5. Step 5: Solve for x
    x = 13,563,564,619.73/133,858.53
  6. Step 6: Final answer
    x = 101,327.61

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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.