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Finding the Fourth Proportional to 119,861.79, 179,872.88 and 49,741.10

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Solution

The fourth proportional to 119,861.79, 179,872.88 and 49,741.10 is: 74,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,861.79 : 179,872.88 = 49,741.10 : x
  2. Step 2: Convert to fraction form
    119,861.79/179,872.88 = 49,741.10/x
  3. Step 3: Cross multiply
    119,861.79x = 179,872.88 × 49,741.10
  4. Step 4: Simplify right side
    119,861.79x = 8,947,074,911.37
  5. Step 5: Solve for x
    x = 8,947,074,911.37/119,861.79
  6. Step 6: Final answer
    x = 74,644.93

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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.