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Finding the Fourth Proportional to 228,364.22, 342,579.15 and 70,604.97

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Solution

The fourth proportional to 228,364.22, 342,579.15 and 70,604.97 is: 105,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364.22 : 342,579.15 = 70,604.97 : x
  2. Step 2: Convert to fraction form
    228,364.22/342,579.15 = 70,604.97/x
  3. Step 3: Cross multiply
    228,364.22x = 342,579.15 × 70,604.97
  4. Step 4: Simplify right side
    228,364.22x = 24,187,790,608.38
  5. Step 5: Solve for x
    x = 24,187,790,608.38/228,364.22
  6. Step 6: Final answer
    x = 105,917.60

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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.