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Finding the Fourth Proportional to 193,630.08, 290,375.52 and 68,946.24

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Solution

The fourth proportional to 193,630.08, 290,375.52 and 68,946.24 is: 103,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,630.08 : 290,375.52 = 68,946.24 : x
  2. Step 2: Convert to fraction form
    193,630.08/290,375.52 = 68,946.24/x
  3. Step 3: Cross multiply
    193,630.08x = 290,375.52 × 68,946.24
  4. Step 4: Simplify right side
    193,630.08x = 20,020,300,292.04
  5. Step 5: Solve for x
    x = 20,020,300,292.04/193,630.08
  6. Step 6: Final answer
    x = 103,394.58

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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.