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Finding the Fourth Proportional to 219,198.25, 302,493.59 and 118,596.25

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Solution

The fourth proportional to 219,198.25, 302,493.59 and 118,596.25 is: 163,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,198.25 : 302,493.59 = 118,596.25 : x
  2. Step 2: Convert to fraction form
    219,198.25/302,493.59 = 118,596.25/x
  3. Step 3: Cross multiply
    219,198.25x = 302,493.59 × 118,596.25
  4. Step 4: Simplify right side
    219,198.25x = 35,874,605,423.04
  5. Step 5: Solve for x
    x = 35,874,605,423.04/219,198.25
  6. Step 6: Final answer
    x = 163,662.83

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1.5x scale

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.