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Finding the Fourth Proportional to 228,450.69, 342,421.15 and 95,286.69

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Solution

The fourth proportional to 228,450.69, 342,421.15 and 95,286.69 is: 142,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,450.69 : 342,421.15 = 95,286.69 : x
  2. Step 2: Convert to fraction form
    228,450.69/342,421.15 = 95,286.69/x
  3. Step 3: Cross multiply
    228,450.69x = 342,421.15 × 95,286.69
  4. Step 4: Simplify right side
    228,450.69x = 32,628,177,969.49
  5. Step 5: Solve for x
    x = 32,628,177,969.49/228,450.69
  6. Step 6: Final answer
    x = 142,823.72

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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.