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Finding the Fourth Proportional to 119,581.32, 179,347.52 and 44,687.64

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Solution

The fourth proportional to 119,581.32, 179,347.52 and 44,687.64 is: 67,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581.32 : 179,347.52 = 44,687.64 : x
  2. Step 2: Convert to fraction form
    119,581.32/179,347.52 = 44,687.64/x
  3. Step 3: Cross multiply
    119,581.32x = 179,347.52 × 44,687.64
  4. Step 4: Simplify right side
    119,581.32x = 8,014,617,408.65
  5. Step 5: Solve for x
    x = 8,014,617,408.65/119,581.32
  6. Step 6: Final answer
    x = 67,022.32

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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.