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Finding the Fourth Proportional to 133,876.88, 184,730.92 and 80,149.04

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Solution

The fourth proportional to 133,876.88, 184,730.92 and 80,149.04 is: 110,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,876.88 : 184,730.92 = 80,149.04 : x
  2. Step 2: Convert to fraction form
    133,876.88/184,730.92 = 80,149.04/x
  3. Step 3: Cross multiply
    133,876.88x = 184,730.92 × 80,149.04
  4. Step 4: Simplify right side
    133,876.88x = 14,806,005,896.32
  5. Step 5: Solve for x
    x = 14,806,005,896.32/133,876.88
  6. Step 6: Final answer
    x = 110,594.20

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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.