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Finding the Fourth Proportional to 188,143,139.70, 282,214,709.55 and 188,143,139.70

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Solution

The fourth proportional to 188,143,139.70, 282,214,709.55 and 188,143,139.70 is: 282,214,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,143,139.70 : 282,214,709.55 = 188,143,139.70 : x
  2. Step 2: Convert to fraction form
    188,143,139.70/282,214,709.55 = 188,143,139.70/x
  3. Step 3: Cross multiply
    188,143,139.70x = 282,214,709.55 × 188,143,139.70
  4. Step 4: Simplify right side
    188,143,139.70x = 53,096,761,524,260,576
  5. Step 5: Solve for x
    x = 53,096,761,524,260,576/188,143,139.70
  6. Step 6: Final answer
    x = 282,214,709.55

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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.