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Finding the Fourth Proportional to 133,467.87, 184,167.45 and 79,741.47

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Solution

The fourth proportional to 133,467.87, 184,167.45 and 79,741.47 is: 110,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,467.87 : 184,167.45 = 79,741.47 : x
  2. Step 2: Convert to fraction form
    133,467.87/184,167.45 = 79,741.47/x
  3. Step 3: Cross multiply
    133,467.87x = 184,167.45 × 79,741.47
  4. Step 4: Simplify right side
    133,467.87x = 14,685,783,189.15
  5. Step 5: Solve for x
    x = 14,685,783,189.15/133,467.87
  6. Step 6: Final answer
    x = 110,032.35

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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.