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Finding the Fourth Proportional to 11,826,143.20, 17,706,037.20 and 11,494,367.20

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Solution

The fourth proportional to 11,826,143.20, 17,706,037.20 and 11,494,367.20 is: 17,209,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826,143.20 : 17,706,037.20 = 11,494,367.20 : x
  2. Step 2: Convert to fraction form
    11,826,143.20/17,706,037.20 = 11,494,367.20/x
  3. Step 3: Cross multiply
    11,826,143.20x = 17,706,037.20 × 11,494,367.20
  4. Step 4: Simplify right side
    11,826,143.20x = 203,519,693,233,659.81
  5. Step 5: Solve for x
    x = 203,519,693,233,659.81/11,826,143.20
  6. Step 6: Final answer
    x = 17,209,303.98

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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.