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Finding the Fourth Proportional to 66,274,241.60, 99,410,572.80 and 17,089,836.16

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Solution

The fourth proportional to 66,274,241.60, 99,410,572.80 and 17,089,836.16 is: 25,634,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,274,241.60 : 99,410,572.80 = 17,089,836.16 : x
  2. Step 2: Convert to fraction form
    66,274,241.60/99,410,572.80 = 17,089,836.16/x
  3. Step 3: Cross multiply
    66,274,241.60x = 99,410,572.80 × 17,089,836.16
  4. Step 4: Simplify right side
    66,274,241.60x = 1,698,910,401,723,752.50
  5. Step 5: Solve for x
    x = 1,698,910,401,723,752.50/66,274,241.60
  6. Step 6: Final answer
    x = 25,634,550.63

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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.