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Finding the Fourth Proportional to 133,744.68, 184,569.72 and 80,031.96

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Solution

The fourth proportional to 133,744.68, 184,569.72 and 80,031.96 is: 110,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,744.68 : 184,569.72 = 80,031.96 : x
  2. Step 2: Convert to fraction form
    133,744.68/184,569.72 = 80,031.96/x
  3. Step 3: Cross multiply
    133,744.68x = 184,569.72 × 80,031.96
  4. Step 4: Simplify right side
    133,744.68x = 14,771,476,448.25
  5. Step 5: Solve for x
    x = 14,771,476,448.25/133,744.68
  6. Step 6: Final answer
    x = 110,445.34

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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.