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Finding the Fourth Proportional to 88,978.28, 133,504.62 and 39,032.60

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Solution

The fourth proportional to 88,978.28, 133,504.62 and 39,032.60 is: 58,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,978.28 : 133,504.62 = 39,032.60 : x
  2. Step 2: Convert to fraction form
    88,978.28/133,504.62 = 39,032.60/x
  3. Step 3: Cross multiply
    88,978.28x = 133,504.62 × 39,032.60
  4. Step 4: Simplify right side
    88,978.28x = 5,211,032,430.61
  5. Step 5: Solve for x
    x = 5,211,032,430.61/88,978.28
  6. Step 6: Final answer
    x = 58,565.22

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