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Finding the Fourth Proportional to 119,581.82, 179,372.73 and 104,185.34

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Solution

The fourth proportional to 119,581.82, 179,372.73 and 104,185.34 is: 156,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581.82 : 179,372.73 = 104,185.34 : x
  2. Step 2: Convert to fraction form
    119,581.82/179,372.73 = 104,185.34/x
  3. Step 3: Cross multiply
    119,581.82x = 179,372.73 × 104,185.34
  4. Step 4: Simplify right side
    119,581.82x = 18,688,008,861.78
  5. Step 5: Solve for x
    x = 18,688,008,861.78/119,581.82
  6. Step 6: Final answer
    x = 156,278.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.