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Finding the Fourth Proportional to 76,628.79, 105,746.72 and 43,094.79

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Solution

The fourth proportional to 76,628.79, 105,746.72 and 43,094.79 is: 59,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628.79 : 105,746.72 = 43,094.79 : x
  2. Step 2: Convert to fraction form
    76,628.79/105,746.72 = 43,094.79/x
  3. Step 3: Cross multiply
    76,628.79x = 105,746.72 × 43,094.79
  4. Step 4: Simplify right side
    76,628.79x = 4,557,132,476.11
  5. Step 5: Solve for x
    x = 4,557,132,476.11/76,628.79
  6. Step 6: Final answer
    x = 59,470.24

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