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Finding the Fourth Proportional to 109,668.60, 164,519.10 and 34,795.80

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Solution

The fourth proportional to 109,668.60, 164,519.10 and 34,795.80 is: 52,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,668.60 : 164,519.10 = 34,795.80 : x
  2. Step 2: Convert to fraction form
    109,668.60/164,519.10 = 34,795.80/x
  3. Step 3: Cross multiply
    109,668.60x = 164,519.10 × 34,795.80
  4. Step 4: Simplify right side
    109,668.60x = 5,724,573,699.78
  5. Step 5: Solve for x
    x = 5,724,573,699.78/109,668.60
  6. Step 6: Final answer
    x = 52,198.84

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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.