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Finding the Fourth Proportional to 58,921.60, 88,468.80 and 45,788.80

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Solution

The fourth proportional to 58,921.60, 88,468.80 and 45,788.80 is: 68,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.60 : 88,468.80 = 45,788.80 : x
  2. Step 2: Convert to fraction form
    58,921.60/88,468.80 = 45,788.80/x
  3. Step 3: Cross multiply
    58,921.60x = 88,468.80 × 45,788.80
  4. Step 4: Simplify right side
    58,921.60x = 4,050,880,189.44
  5. Step 5: Solve for x
    x = 4,050,880,189.44/58,921.60
  6. Step 6: Final answer
    x = 68,750.34

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