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Finding the Fourth Proportional to 199,369.60, 299,092.80 and 100,873.60

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Solution

The fourth proportional to 199,369.60, 299,092.80 and 100,873.60 is: 151,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,369.60 : 299,092.80 = 100,873.60 : x
  2. Step 2: Convert to fraction form
    199,369.60/299,092.80 = 100,873.60/x
  3. Step 3: Cross multiply
    199,369.60x = 299,092.80 × 100,873.60
  4. Step 4: Simplify right side
    199,369.60x = 30,170,567,470.08
  5. Step 5: Solve for x
    x = 30,170,567,470.08/199,369.60
  6. Step 6: Final answer
    x = 151,329.83

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1.5x scale

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.