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Finding the Fourth Proportional to 141,971,745.15, 212,957,617.73 and 141,971,745.15

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Solution

The fourth proportional to 141,971,745.15, 212,957,617.73 and 141,971,745.15 is: 212,957,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971,745.15 : 212,957,617.73 = 141,971,745.15 : x
  2. Step 2: Convert to fraction form
    141,971,745.15/212,957,617.73 = 141,971,745.15/x
  3. Step 3: Cross multiply
    141,971,745.15x = 212,957,617.73 × 141,971,745.15
  4. Step 4: Simplify right side
    141,971,745.15x = 30,233,964,631,404,824
  5. Step 5: Solve for x
    x = 30,233,964,631,404,824/141,971,745.15
  6. Step 6: Final answer
    x = 212,957,617.73

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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.