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Finding the Fourth Proportional to 119,195.55, 178,773.68 and 39,234.56

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Solution

The fourth proportional to 119,195.55, 178,773.68 and 39,234.56 is: 58,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,195.55 : 178,773.68 = 39,234.56 : x
  2. Step 2: Convert to fraction form
    119,195.55/178,773.68 = 39,234.56/x
  3. Step 3: Cross multiply
    119,195.55x = 178,773.68 × 39,234.56
  4. Step 4: Simplify right side
    119,195.55x = 7,014,106,254.74
  5. Step 5: Solve for x
    x = 7,014,106,254.74/119,195.55
  6. Step 6: Final answer
    x = 58,845.37

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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.