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Finding the Fourth Proportional to 247,628.68, 371,505.84 and 114,604.72

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Solution

The fourth proportional to 247,628.68, 371,505.84 and 114,604.72 is: 171,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,628.68 : 371,505.84 = 114,604.72 : x
  2. Step 2: Convert to fraction form
    247,628.68/371,505.84 = 114,604.72/x
  3. Step 3: Cross multiply
    247,628.68x = 371,505.84 × 114,604.72
  4. Step 4: Simplify right side
    247,628.68x = 42,576,322,771.56
  5. Step 5: Solve for x
    x = 42,576,322,771.56/247,628.68
  6. Step 6: Final answer
    x = 171,936.15

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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.