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Finding the Fourth Proportional to 228,563.22, 341,454.83 and 147,944.40

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Solution

The fourth proportional to 228,563.22, 341,454.83 and 147,944.40 is: 221,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,563.22 : 341,454.83 = 147,944.40 : x
  2. Step 2: Convert to fraction form
    228,563.22/341,454.83 = 147,944.40/x
  3. Step 3: Cross multiply
    228,563.22x = 341,454.83 × 147,944.40
  4. Step 4: Simplify right side
    228,563.22x = 50,516,330,321.31
  5. Step 5: Solve for x
    x = 50,516,330,321.31/228,563.22
  6. Step 6: Final answer
    x = 221,016.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.