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Finding the Fourth Proportional to 91,409,716.44, 137,124,978.60 and 33,144,836.34

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Solution

The fourth proportional to 91,409,716.44, 137,124,978.60 and 33,144,836.34 is: 49,721,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,409,716.44 : 137,124,978.60 = 33,144,836.34 : x
  2. Step 2: Convert to fraction form
    91,409,716.44/137,124,978.60 = 33,144,836.34/x
  3. Step 3: Cross multiply
    91,409,716.44x = 137,124,978.60 × 33,144,836.34
  4. Step 4: Simplify right side
    91,409,716.44x = 4,544,984,973,823,002
  5. Step 5: Solve for x
    x = 4,544,984,973,823,002/91,409,716.44
  6. Step 6: Final answer
    x = 49,721,026.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.