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Finding the Fourth Proportional to 133,486.15, 184,208.41 and 73,055.57

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Solution

The fourth proportional to 133,486.15, 184,208.41 and 73,055.57 is: 100,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,486.15 : 184,208.41 = 73,055.57 : x
  2. Step 2: Convert to fraction form
    133,486.15/184,208.41 = 73,055.57/x
  3. Step 3: Cross multiply
    133,486.15x = 184,208.41 × 73,055.57
  4. Step 4: Simplify right side
    133,486.15x = 13,457,450,391.34
  5. Step 5: Solve for x
    x = 13,457,450,391.34/133,486.15
  6. Step 6: Final answer
    x = 100,815.33

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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.