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Finding the Fourth Proportional to 65,842.78, 98,776.47 and 26,402.98

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Solution

The fourth proportional to 65,842.78, 98,776.47 and 26,402.98 is: 39,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,842.78 : 98,776.47 = 26,402.98 : x
  2. Step 2: Convert to fraction form
    65,842.78/98,776.47 = 26,402.98/x
  3. Step 3: Cross multiply
    65,842.78x = 98,776.47 × 26,402.98
  4. Step 4: Simplify right side
    65,842.78x = 2,607,993,161.88
  5. Step 5: Solve for x
    x = 2,607,993,161.88/65,842.78
  6. Step 6: Final answer
    x = 39,609.40

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