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Finding the Fourth Proportional to 60,691,806.55, 91,037,709.83 and 60,691,806.55

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Solution

The fourth proportional to 60,691,806.55, 91,037,709.83 and 60,691,806.55 is: 91,037,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691,806.55 : 91,037,709.83 = 60,691,806.55 : x
  2. Step 2: Convert to fraction form
    60,691,806.55/91,037,709.83 = 60,691,806.55/x
  3. Step 3: Cross multiply
    60,691,806.55x = 91,037,709.83 × 60,691,806.55
  4. Step 4: Simplify right side
    60,691,806.55x = 5,525,243,073,757,393
  5. Step 5: Solve for x
    x = 5,525,243,073,757,393/60,691,806.55
  6. Step 6: Final answer
    x = 91,037,709.83

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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.