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Finding the Fourth Proportional to 183,765,217.60, 275,647,826.40 and 81,539,588.80

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Solution

The fourth proportional to 183,765,217.60, 275,647,826.40 and 81,539,588.80 is: 122,309,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,765,217.60 : 275,647,826.40 = 81,539,588.80 : x
  2. Step 2: Convert to fraction form
    183,765,217.60/275,647,826.40 = 81,539,588.80/x
  3. Step 3: Cross multiply
    183,765,217.60x = 275,647,826.40 × 81,539,588.80
  4. Step 4: Simplify right side
    183,765,217.60x = 22,476,210,418,269,780
  5. Step 5: Solve for x
    x = 22,476,210,418,269,780/183,765,217.60
  6. Step 6: Final answer
    x = 122,309,383.20

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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.