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Finding the Fourth Proportional to 18,150,628.05, 27,225,942.08 and 18,150,628.05

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Solution

The fourth proportional to 18,150,628.05, 27,225,942.08 and 18,150,628.05 is: 27,225,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,628.05 : 27,225,942.08 = 18,150,628.05 : x
  2. Step 2: Convert to fraction form
    18,150,628.05/27,225,942.08 = 18,150,628.05/x
  3. Step 3: Cross multiply
    18,150,628.05x = 27,225,942.08 × 18,150,628.05
  4. Step 4: Simplify right side
    18,150,628.05x = 494,167,947,914,170.19
  5. Step 5: Solve for x
    x = 494,167,947,914,170.19/18,150,628.05
  6. Step 6: Final answer
    x = 27,225,942.08

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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.