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Finding the Fourth Proportional to 228,668.46, 343,119.69 and 108,860.82

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Solution

The fourth proportional to 228,668.46, 343,119.69 and 108,860.82 is: 163,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,668.46 : 343,119.69 = 108,860.82 : x
  2. Step 2: Convert to fraction form
    228,668.46/343,119.69 = 108,860.82/x
  3. Step 3: Cross multiply
    228,668.46x = 343,119.69 × 108,860.82
  4. Step 4: Simplify right side
    228,668.46x = 37,352,290,811.55
  5. Step 5: Solve for x
    x = 37,352,290,811.55/228,668.46
  6. Step 6: Final answer
    x = 163,346.93

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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.