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Finding the Fourth Proportional to 199,388.45, 299,081.12 and 49,627.73

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Solution

The fourth proportional to 199,388.45, 299,081.12 and 49,627.73 is: 74,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,388.45 : 299,081.12 = 49,627.73 : x
  2. Step 2: Convert to fraction form
    199,388.45/299,081.12 = 49,627.73/x
  3. Step 3: Cross multiply
    199,388.45x = 299,081.12 × 49,627.73
  4. Step 4: Simplify right side
    199,388.45x = 14,842,717,943.23
  5. Step 5: Solve for x
    x = 14,842,717,943.23/199,388.45
  6. Step 6: Final answer
    x = 74,441.21

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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.