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Finding the Fourth Proportional to 119,861.66, 179,811.99 and 44,987.69

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Solution

The fourth proportional to 119,861.66, 179,811.99 and 44,987.69 is: 67,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,861.66 : 179,811.99 = 44,987.69 : x
  2. Step 2: Convert to fraction form
    119,861.66/179,811.99 = 44,987.69/x
  3. Step 3: Cross multiply
    119,861.66x = 179,811.99 × 44,987.69
  4. Step 4: Simplify right side
    119,861.66x = 8,089,325,165.34
  5. Step 5: Solve for x
    x = 8,089,325,165.34/119,861.66
  6. Step 6: Final answer
    x = 67,488.85

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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.