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Finding the Fourth Proportional to 71,290.02, 98,404.80 and 41,087.40

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Solution

The fourth proportional to 71,290.02, 98,404.80 and 41,087.40 is: 56,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,290.02 : 98,404.80 = 41,087.40 : x
  2. Step 2: Convert to fraction form
    71,290.02/98,404.80 = 41,087.40/x
  3. Step 3: Cross multiply
    71,290.02x = 98,404.80 × 41,087.40
  4. Step 4: Simplify right side
    71,290.02x = 4,043,197,379.52
  5. Step 5: Solve for x
    x = 4,043,197,379.52/71,290.02
  6. Step 6: Final answer
    x = 56,714.77

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