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Finding the Fourth Proportional to 76,335.16, 105,378.96 and 50,883.88

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Solution

The fourth proportional to 76,335.16, 105,378.96 and 50,883.88 is: 70,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,335.16 : 105,378.96 = 50,883.88 : x
  2. Step 2: Convert to fraction form
    76,335.16/105,378.96 = 50,883.88/x
  3. Step 3: Cross multiply
    76,335.16x = 105,378.96 × 50,883.88
  4. Step 4: Simplify right side
    76,335.16x = 5,362,090,355.16
  5. Step 5: Solve for x
    x = 5,362,090,355.16/76,335.16
  6. Step 6: Final answer
    x = 70,244.04

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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.