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Finding the Fourth Proportional to 100,415,859.60, 150,552,930.60 and 45,854,583.60

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Solution

The fourth proportional to 100,415,859.60, 150,552,930.60 and 45,854,583.60 is: 68,749,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,415,859.60 : 150,552,930.60 = 45,854,583.60 : x
  2. Step 2: Convert to fraction form
    100,415,859.60/150,552,930.60 = 45,854,583.60/x
  3. Step 3: Cross multiply
    100,415,859.60x = 150,552,930.60 × 45,854,583.60
  4. Step 4: Simplify right side
    100,415,859.60x = 6,903,541,942,422,698
  5. Step 5: Solve for x
    x = 6,903,541,942,422,698/100,415,859.60
  6. Step 6: Final answer
    x = 68,749,517.95

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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.