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Finding the Fourth Proportional to 88,208.72, 121,725.88 and 47,921.56

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Solution

The fourth proportional to 88,208.72, 121,725.88 and 47,921.56 is: 66,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,208.72 : 121,725.88 = 47,921.56 : x
  2. Step 2: Convert to fraction form
    88,208.72/121,725.88 = 47,921.56/x
  3. Step 3: Cross multiply
    88,208.72x = 121,725.88 × 47,921.56
  4. Step 4: Simplify right side
    88,208.72x = 5,833,294,061.97
  5. Step 5: Solve for x
    x = 5,833,294,061.97/88,208.72
  6. Step 6: Final answer
    x = 66,130.58

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