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Finding the Fourth Proportional to 215,548,212.80, 323,431,528.80 and 94,380,852.80

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Solution

The fourth proportional to 215,548,212.80, 323,431,528.80 and 94,380,852.80 is: 141,619,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,548,212.80 : 323,431,528.80 = 94,380,852.80 : x
  2. Step 2: Convert to fraction form
    215,548,212.80/323,431,528.80 = 94,380,852.80/x
  3. Step 3: Cross multiply
    215,548,212.80x = 323,431,528.80 × 94,380,852.80
  4. Step 4: Simplify right side
    215,548,212.80x = 30,525,743,510,551,760
  5. Step 5: Solve for x
    x = 30,525,743,510,551,760/215,548,212.80
  6. Step 6: Final answer
    x = 141,619,098.18

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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.