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Finding the Fourth Proportional to 76,112.19, 105,077.04 and 45,905.13

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Solution

The fourth proportional to 76,112.19, 105,077.04 and 45,905.13 is: 63,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,112.19 : 105,077.04 = 45,905.13 : x
  2. Step 2: Convert to fraction form
    76,112.19/105,077.04 = 45,905.13/x
  3. Step 3: Cross multiply
    76,112.19x = 105,077.04 × 45,905.13
  4. Step 4: Simplify right side
    76,112.19x = 4,823,575,181.22
  5. Step 5: Solve for x
    x = 4,823,575,181.22/76,112.19
  6. Step 6: Final answer
    x = 63,374.54

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