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Finding the Fourth Proportional to 228,907.70, 343,361.55 and 95,743.70

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Solution

The fourth proportional to 228,907.70, 343,361.55 and 95,743.70 is: 143,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,907.70 : 343,361.55 = 95,743.70 : x
  2. Step 2: Convert to fraction form
    228,907.70/343,361.55 = 95,743.70/x
  3. Step 3: Cross multiply
    228,907.70x = 343,361.55 × 95,743.70
  4. Step 4: Simplify right side
    228,907.70x = 32,874,705,234.74
  5. Step 5: Solve for x
    x = 32,874,705,234.74/228,907.70
  6. Step 6: Final answer
    x = 143,615.55

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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.