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Finding the Fourth Proportional to 235,234.85, 352,889.19 and 140,571.95

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Solution

The fourth proportional to 235,234.85, 352,889.19 and 140,571.95 is: 210,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,234.85 : 352,889.19 = 140,571.95 : x
  2. Step 2: Convert to fraction form
    235,234.85/352,889.19 = 140,571.95/x
  3. Step 3: Cross multiply
    235,234.85x = 352,889.19 × 140,571.95
  4. Step 4: Simplify right side
    235,234.85x = 49,606,319,807.77
  5. Step 5: Solve for x
    x = 49,606,319,807.77/235,234.85
  6. Step 6: Final answer
    x = 210,879.98

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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.