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Finding the Fourth Proportional to 140,919.06, 211,378.14 and 35,737.77

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Solution

The fourth proportional to 140,919.06, 211,378.14 and 35,737.77 is: 53,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,919.06 : 211,378.14 = 35,737.77 : x
  2. Step 2: Convert to fraction form
    140,919.06/211,378.14 = 35,737.77/x
  3. Step 3: Cross multiply
    140,919.06x = 211,378.14 × 35,737.77
  4. Step 4: Simplify right side
    140,919.06x = 7,554,183,350.35
  5. Step 5: Solve for x
    x = 7,554,183,350.35/140,919.06
  6. Step 6: Final answer
    x = 53,606.54

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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.