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Finding the Fourth Proportional to 119,527.53, 179,234.11 and 69,621.85

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Solution

The fourth proportional to 119,527.53, 179,234.11 and 69,621.85 is: 104,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,527.53 : 179,234.11 = 69,621.85 : x
  2. Step 2: Convert to fraction form
    119,527.53/179,234.11 = 69,621.85/x
  3. Step 3: Cross multiply
    119,527.53x = 179,234.11 × 69,621.85
  4. Step 4: Simplify right side
    119,527.53x = 12,478,610,321.30
  5. Step 5: Solve for x
    x = 12,478,610,321.30/119,527.53
  6. Step 6: Final answer
    x = 104,399.47

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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.