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Finding the Fourth Proportional to 133,747.64, 184,573.84 and 80,034.92

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Solution

The fourth proportional to 133,747.64, 184,573.84 and 80,034.92 is: 110,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,747.64 : 184,573.84 = 80,034.92 : x
  2. Step 2: Convert to fraction form
    133,747.64/184,573.84 = 80,034.92/x
  3. Step 3: Cross multiply
    133,747.64x = 184,573.84 × 80,034.92
  4. Step 4: Simplify right side
    133,747.64x = 14,772,352,518.49
  5. Step 5: Solve for x
    x = 14,772,352,518.49/133,747.64
  6. Step 6: Final answer
    x = 110,449.44

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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.