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Finding the Fourth Proportional to 11,238,045.15, 16,857,067.73 and 11,238,045.15

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Solution

The fourth proportional to 11,238,045.15, 16,857,067.73 and 11,238,045.15 is: 16,857,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238,045.15 : 16,857,067.73 = 11,238,045.15 : x
  2. Step 2: Convert to fraction form
    11,238,045.15/16,857,067.73 = 11,238,045.15/x
  3. Step 3: Cross multiply
    11,238,045.15x = 16,857,067.73 × 11,238,045.15
  4. Step 4: Simplify right side
    11,238,045.15x = 189,440,488,190,157.81
  5. Step 5: Solve for x
    x = 189,440,488,190,157.81/11,238,045.15
  6. Step 6: Final answer
    x = 16,857,067.73

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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.