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Finding the Fourth Proportional to 133,057, 183,618.90 and 73,441

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Solution

The fourth proportional to 133,057, 183,618.90 and 73,441 is: 101,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057 : 183,618.90 = 73,441 : x
  2. Step 2: Convert to fraction form
    133,057/183,618.90 = 73,441/x
  3. Step 3: Cross multiply
    133,057x = 183,618.90 × 73,441
  4. Step 4: Simplify right side
    133,057x = 13,485,155,634.90
  5. Step 5: Solve for x
    x = 13,485,155,634.90/133,057
  6. Step 6: Final answer
    x = 101,348.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.