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Finding the Fourth Proportional to 87,014.78, 120,088.85 and 48,780.82

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Solution

The fourth proportional to 87,014.78, 120,088.85 and 48,780.82 is: 67,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,014.78 : 120,088.85 = 48,780.82 : x
  2. Step 2: Convert to fraction form
    87,014.78/120,088.85 = 48,780.82/x
  3. Step 3: Cross multiply
    87,014.78x = 120,088.85 × 48,780.82
  4. Step 4: Simplify right side
    87,014.78x = 5,858,032,575.86
  5. Step 5: Solve for x
    x = 5,858,032,575.86/87,014.78
  6. Step 6: Final answer
    x = 67,322.27

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