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Finding the Fourth Proportional to 91,866,410.88, 137,795,037.12 and 34,354,453.92

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Solution

The fourth proportional to 91,866,410.88, 137,795,037.12 and 34,354,453.92 is: 51,529,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,866,410.88 : 137,795,037.12 = 34,354,453.92 : x
  2. Step 2: Convert to fraction form
    91,866,410.88/137,795,037.12 = 34,354,453.92/x
  3. Step 3: Cross multiply
    91,866,410.88x = 137,795,037.12 × 34,354,453.92
  4. Step 4: Simplify right side
    91,866,410.88x = 4,733,873,253,143,730
  5. Step 5: Solve for x
    x = 4,733,873,253,143,730/91,866,410.88
  6. Step 6: Final answer
    x = 51,529,968.44

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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.