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Finding the Fourth Proportional to 12,089,713.80, 16,947,994.20 and 12,089,713.80

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Solution

The fourth proportional to 12,089,713.80, 16,947,994.20 and 12,089,713.80 is: 16,947,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,713.80 : 16,947,994.20 = 12,089,713.80 : x
  2. Step 2: Convert to fraction form
    12,089,713.80/16,947,994.20 = 12,089,713.80/x
  3. Step 3: Cross multiply
    12,089,713.80x = 16,947,994.20 × 12,089,713.80
  4. Step 4: Simplify right side
    12,089,713.80x = 204,896,399,362,059.97
  5. Step 5: Solve for x
    x = 204,896,399,362,059.97/12,089,713.80
  6. Step 6: Final answer
    x = 16,947,994.20

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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.