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Finding the Fourth Proportional to 11,191,139.95, 16,786,709.93 and 11,191,139.95

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Solution

The fourth proportional to 11,191,139.95, 16,786,709.93 and 11,191,139.95 is: 16,786,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,139.95 : 16,786,709.93 = 11,191,139.95 : x
  2. Step 2: Convert to fraction form
    11,191,139.95/16,786,709.93 = 11,191,139.95/x
  3. Step 3: Cross multiply
    11,191,139.95x = 16,786,709.93 × 11,191,139.95
  4. Step 4: Simplify right side
    11,191,139.95x = 187,862,420,070,729
  5. Step 5: Solve for x
    x = 187,862,420,070,729/11,191,139.95
  6. Step 6: Final answer
    x = 16,786,709.93

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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.