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Finding the Fourth Proportional to 133,634.40, 184,418.40 and 76,272.56

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Solution

The fourth proportional to 133,634.40, 184,418.40 and 76,272.56 is: 105,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,634.40 : 184,418.40 = 76,272.56 : x
  2. Step 2: Convert to fraction form
    133,634.40/184,418.40 = 76,272.56/x
  3. Step 3: Cross multiply
    133,634.40x = 184,418.40 × 76,272.56
  4. Step 4: Simplify right side
    133,634.40x = 14,066,063,479.10
  5. Step 5: Solve for x
    x = 14,066,063,479.10/133,634.40
  6. Step 6: Final answer
    x = 105,257.80

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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.