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Finding the Fourth Proportional to 199,325,387.60, 298,988,081.40 and 199,325,387.60

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Solution

The fourth proportional to 199,325,387.60, 298,988,081.40 and 199,325,387.60 is: 298,988,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,325,387.60 : 298,988,081.40 = 199,325,387.60 : x
  2. Step 2: Convert to fraction form
    199,325,387.60/298,988,081.40 = 199,325,387.60/x
  3. Step 3: Cross multiply
    199,325,387.60x = 298,988,081.40 × 199,325,387.60
  4. Step 4: Simplify right side
    199,325,387.60x = 59,595,915,212,835,344
  5. Step 5: Solve for x
    x = 59,595,915,212,835,344/199,325,387.60
  6. Step 6: Final answer
    x = 298,988,081.40

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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.