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Finding the Fourth Proportional to 226,014.57, 311,889.69 and 124,037.46

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Solution

The fourth proportional to 226,014.57, 311,889.69 and 124,037.46 is: 171,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,014.57 : 311,889.69 = 124,037.46 : x
  2. Step 2: Convert to fraction form
    226,014.57/311,889.69 = 124,037.46/x
  3. Step 3: Cross multiply
    226,014.57x = 311,889.69 × 124,037.46
  4. Step 4: Simplify right side
    226,014.57x = 38,686,004,947.79
  5. Step 5: Solve for x
    x = 38,686,004,947.79/226,014.57
  6. Step 6: Final answer
    x = 171,165.98

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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.