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Finding the Fourth Proportional to 133,482.78, 184,193.73 and 79,757.10

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Solution

The fourth proportional to 133,482.78, 184,193.73 and 79,757.10 is: 110,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,482.78 : 184,193.73 = 79,757.10 : x
  2. Step 2: Convert to fraction form
    133,482.78/184,193.73 = 79,757.10/x
  3. Step 3: Cross multiply
    133,482.78x = 184,193.73 × 79,757.10
  4. Step 4: Simplify right side
    133,482.78x = 14,690,757,742.98
  5. Step 5: Solve for x
    x = 14,690,757,742.98/133,482.78
  6. Step 6: Final answer
    x = 110,057.33

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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.