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Finding the Fourth Proportional to 88,977.28, 133,503.12 and 39,031.60

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Solution

The fourth proportional to 88,977.28, 133,503.12 and 39,031.60 is: 58,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,977.28 : 133,503.12 = 39,031.60 : x
  2. Step 2: Convert to fraction form
    88,977.28/133,503.12 = 39,031.60/x
  3. Step 3: Cross multiply
    88,977.28x = 133,503.12 × 39,031.60
  4. Step 4: Simplify right side
    88,977.28x = 5,210,840,378.59
  5. Step 5: Solve for x
    x = 5,210,840,378.59/88,977.28
  6. Step 6: Final answer
    x = 58,563.72

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