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Finding the Fourth Proportional to 98,324,494.20, 137,399,200.20 and 98,324,494.20

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Solution

The fourth proportional to 98,324,494.20, 137,399,200.20 and 98,324,494.20 is: 137,399,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,324,494.20 : 137,399,200.20 = 98,324,494.20 : x
  2. Step 2: Convert to fraction form
    98,324,494.20/137,399,200.20 = 98,324,494.20/x
  3. Step 3: Cross multiply
    98,324,494.20x = 137,399,200.20 × 98,324,494.20
  4. Step 4: Simplify right side
    98,324,494.20x = 13,509,706,863,149,538
  5. Step 5: Solve for x
    x = 13,509,706,863,149,538/98,324,494.20
  6. Step 6: Final answer
    x = 137,399,200.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.