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Finding the Fourth Proportional to 323,775,061.60, 485,494,630.80 and 119,197,832.80

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Solution

The fourth proportional to 323,775,061.60, 485,494,630.80 and 119,197,832.80 is: 178,734,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,775,061.60 : 485,494,630.80 = 119,197,832.80 : x
  2. Step 2: Convert to fraction form
    323,775,061.60/485,494,630.80 = 119,197,832.80/x
  3. Step 3: Cross multiply
    323,775,061.60x = 485,494,630.80 × 119,197,832.80
  4. Step 4: Simplify right side
    323,775,061.60x = 57,869,907,827,396,128
  5. Step 5: Solve for x
    x = 57,869,907,827,396,128/323,775,061.60
  6. Step 6: Final answer
    x = 178,734,914.11

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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.