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Finding the Fourth Proportional to 11,178,045.30, 16,767,067.95 and 11,178,045.30

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Solution

The fourth proportional to 11,178,045.30, 16,767,067.95 and 11,178,045.30 is: 16,767,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,045.30 : 16,767,067.95 = 11,178,045.30 : x
  2. Step 2: Convert to fraction form
    11,178,045.30/16,767,067.95 = 11,178,045.30/x
  3. Step 3: Cross multiply
    11,178,045.30x = 16,767,067.95 × 11,178,045.30
  4. Step 4: Simplify right side
    11,178,045.30x = 187,423,045,093,278.12
  5. Step 5: Solve for x
    x = 187,423,045,093,278.12/11,178,045.30
  6. Step 6: Final answer
    x = 16,767,067.95

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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.