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Finding the Fourth Proportional to 87,337.64, 120,430.56 and 58,994.12

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Solution

The fourth proportional to 87,337.64, 120,430.56 and 58,994.12 is: 81,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.64 : 120,430.56 = 58,994.12 : x
  2. Step 2: Convert to fraction form
    87,337.64/120,430.56 = 58,994.12/x
  3. Step 3: Cross multiply
    87,337.64x = 120,430.56 × 58,994.12
  4. Step 4: Simplify right side
    87,337.64x = 7,104,694,908.31
  5. Step 5: Solve for x
    x = 7,104,694,908.31/87,337.64
  6. Step 6: Final answer
    x = 81,347.46

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