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Finding the Fourth Proportional to 227,800.80, 341,701.20 and 115,826.40

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Solution

The fourth proportional to 227,800.80, 341,701.20 and 115,826.40 is: 173,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,800.80 : 341,701.20 = 115,826.40 : x
  2. Step 2: Convert to fraction form
    227,800.80/341,701.20 = 115,826.40/x
  3. Step 3: Cross multiply
    227,800.80x = 341,701.20 × 115,826.40
  4. Step 4: Simplify right side
    227,800.80x = 39,578,019,871.68
  5. Step 5: Solve for x
    x = 39,578,019,871.68/227,800.80
  6. Step 6: Final answer
    x = 173,739.60

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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.