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Finding the Fourth Proportional to 119,745.30, 179,617.92 and 40,859.52

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Solution

The fourth proportional to 119,745.30, 179,617.92 and 40,859.52 is: 61,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,745.30 : 179,617.92 = 40,859.52 : x
  2. Step 2: Convert to fraction form
    119,745.30/179,617.92 = 40,859.52/x
  3. Step 3: Cross multiply
    119,745.30x = 179,617.92 × 40,859.52
  4. Step 4: Simplify right side
    119,745.30x = 7,339,101,994.60
  5. Step 5: Solve for x
    x = 7,339,101,994.60/119,745.30
  6. Step 6: Final answer
    x = 61,289.27

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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.