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Finding the Fourth Proportional to 183,784.60, 275,676.90 and 72,976.60

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Solution

The fourth proportional to 183,784.60, 275,676.90 and 72,976.60 is: 109,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,784.60 : 275,676.90 = 72,976.60 : x
  2. Step 2: Convert to fraction form
    183,784.60/275,676.90 = 72,976.60/x
  3. Step 3: Cross multiply
    183,784.60x = 275,676.90 × 72,976.60
  4. Step 4: Simplify right side
    183,784.60x = 20,117,962,860.54
  5. Step 5: Solve for x
    x = 20,117,962,860.54/183,784.60
  6. Step 6: Final answer
    x = 109,464.90

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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.