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Finding the Fourth Proportional to 247,246.71, 341,198.37 and 139,816.41

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Solution

The fourth proportional to 247,246.71, 341,198.37 and 139,816.41 is: 192,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,246.71 : 341,198.37 = 139,816.41 : x
  2. Step 2: Convert to fraction form
    247,246.71/341,198.37 = 139,816.41/x
  3. Step 3: Cross multiply
    247,246.71x = 341,198.37 × 139,816.41
  4. Step 4: Simplify right side
    247,246.71x = 47,705,131,191.25
  5. Step 5: Solve for x
    x = 47,705,131,191.25/247,246.71
  6. Step 6: Final answer
    x = 192,945.46

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1.5x scale

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.