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Finding the Fourth Proportional to 245,993.56, 368,673.53 and 119,388.79

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Solution

The fourth proportional to 245,993.56, 368,673.53 and 119,388.79 is: 178,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,993.56 : 368,673.53 = 119,388.79 : x
  2. Step 2: Convert to fraction form
    245,993.56/368,673.53 = 119,388.79/x
  3. Step 3: Cross multiply
    245,993.56x = 368,673.53 × 119,388.79
  4. Step 4: Simplify right side
    245,993.56x = 44,015,486,515.63
  5. Step 5: Solve for x
    x = 44,015,486,515.63/245,993.56
  6. Step 6: Final answer
    x = 178,929.43

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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.