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Finding the Fourth Proportional to 193,078,636.95, 289,617,955.43 and 193,078,636.95

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Solution

The fourth proportional to 193,078,636.95, 289,617,955.43 and 193,078,636.95 is: 289,617,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,078,636.95 : 289,617,955.43 = 193,078,636.95 : x
  2. Step 2: Convert to fraction form
    193,078,636.95/289,617,955.43 = 193,078,636.95/x
  3. Step 3: Cross multiply
    193,078,636.95x = 289,617,955.43 × 193,078,636.95
  4. Step 4: Simplify right side
    193,078,636.95x = 55,919,040,069,704,856
  5. Step 5: Solve for x
    x = 55,919,040,069,704,856/193,078,636.95
  6. Step 6: Final answer
    x = 289,617,955.43

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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.