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Finding the Fourth Proportional to 124,857,647.85, 187,286,471.78 and 124,857,647.85

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Solution

The fourth proportional to 124,857,647.85, 187,286,471.78 and 124,857,647.85 is: 187,286,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857,647.85 : 187,286,471.78 = 124,857,647.85 : x
  2. Step 2: Convert to fraction form
    124,857,647.85/187,286,471.78 = 124,857,647.85/x
  3. Step 3: Cross multiply
    124,857,647.85x = 187,286,471.78 × 124,857,647.85
  4. Step 4: Simplify right side
    124,857,647.85x = 23,384,148,339,951,916
  5. Step 5: Solve for x
    x = 23,384,148,339,951,916/124,857,647.85
  6. Step 6: Final answer
    x = 187,286,471.78

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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.