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Finding the Fourth Proportional to 119,465.72, 179,073.52 and 44,555.72

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Solution

The fourth proportional to 119,465.72, 179,073.52 and 44,555.72 is: 66,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,465.72 : 179,073.52 = 44,555.72 : x
  2. Step 2: Convert to fraction form
    119,465.72/179,073.52 = 44,555.72/x
  3. Step 3: Cross multiply
    119,465.72x = 179,073.52 × 44,555.72
  4. Step 4: Simplify right side
    119,465.72x = 7,978,749,616.53
  5. Step 5: Solve for x
    x = 7,978,749,616.53/119,465.72
  6. Step 6: Final answer
    x = 66,786.94

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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.