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Finding the Fourth Proportional to 87,590.67, 120,875.12 and 47,304.43

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Solution

The fourth proportional to 87,590.67, 120,875.12 and 47,304.43 is: 65,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,590.67 : 120,875.12 = 47,304.43 : x
  2. Step 2: Convert to fraction form
    87,590.67/120,875.12 = 47,304.43/x
  3. Step 3: Cross multiply
    87,590.67x = 120,875.12 × 47,304.43
  4. Step 4: Simplify right side
    87,590.67x = 5,717,928,107.63
  5. Step 5: Solve for x
    x = 5,717,928,107.63/87,590.67
  6. Step 6: Final answer
    x = 65,280.10

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