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Finding the Fourth Proportional to 199,339,743.60, 299,009,615.40 and 199,339,743.60

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Solution

The fourth proportional to 199,339,743.60, 299,009,615.40 and 199,339,743.60 is: 299,009,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,339,743.60 : 299,009,615.40 = 199,339,743.60 : x
  2. Step 2: Convert to fraction form
    199,339,743.60/299,009,615.40 = 199,339,743.60/x
  3. Step 3: Cross multiply
    199,339,743.60x = 299,009,615.40 × 199,339,743.60
  4. Step 4: Simplify right side
    199,339,743.60x = 59,604,500,067,770,608
  5. Step 5: Solve for x
    x = 59,604,500,067,770,608/199,339,743.60
  6. Step 6: Final answer
    x = 299,009,615.40

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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.