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Finding the Fourth Proportional to 219,296.43, 302,629.98 and 118,694.43

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Solution

The fourth proportional to 219,296.43, 302,629.98 and 118,694.43 is: 163,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,296.43 : 302,629.98 = 118,694.43 : x
  2. Step 2: Convert to fraction form
    219,296.43/302,629.98 = 118,694.43/x
  3. Step 3: Cross multiply
    219,296.43x = 302,629.98 × 118,694.43
  4. Step 4: Simplify right side
    219,296.43x = 35,920,491,561.20
  5. Step 5: Solve for x
    x = 35,920,491,561.20/219,296.43
  6. Step 6: Final answer
    x = 163,798.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.