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Finding the Fourth Proportional to 133,958.32, 184,854.88 and 80,231.04

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Solution

The fourth proportional to 133,958.32, 184,854.88 and 80,231.04 is: 110,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,958.32 : 184,854.88 = 80,231.04 : x
  2. Step 2: Convert to fraction form
    133,958.32/184,854.88 = 80,231.04/x
  3. Step 3: Cross multiply
    133,958.32x = 184,854.88 × 80,231.04
  4. Step 4: Simplify right side
    133,958.32x = 14,831,099,271.48
  5. Step 5: Solve for x
    x = 14,831,099,271.48/133,958.32
  6. Step 6: Final answer
    x = 110,714.28

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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.