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Finding the Fourth Proportional to 76,633.49, 105,738.35 and 44,796.21

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Solution

The fourth proportional to 76,633.49, 105,738.35 and 44,796.21 is: 61,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,633.49 : 105,738.35 = 44,796.21 : x
  2. Step 2: Convert to fraction form
    76,633.49/105,738.35 = 44,796.21/x
  3. Step 3: Cross multiply
    76,633.49x = 105,738.35 × 44,796.21
  4. Step 4: Simplify right side
    76,633.49x = 4,736,677,107.67
  5. Step 5: Solve for x
    x = 4,736,677,107.67/76,633.49
  6. Step 6: Final answer
    x = 61,809.50

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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.