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Finding the Fourth Proportional to 235,371.85, 324,848.66 and 143,544.42

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Solution

The fourth proportional to 235,371.85, 324,848.66 and 143,544.42 is: 198,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,371.85 : 324,848.66 = 143,544.42 : x
  2. Step 2: Convert to fraction form
    235,371.85/324,848.66 = 143,544.42/x
  3. Step 3: Cross multiply
    235,371.85x = 324,848.66 × 143,544.42
  4. Step 4: Simplify right side
    235,371.85x = 46,630,211,628.16
  5. Step 5: Solve for x
    x = 46,630,211,628.16/235,371.85
  6. Step 6: Final answer
    x = 198,112.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.