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Finding the Fourth Proportional to 58,124.40, 87,186.60 and 54,625.20

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Solution

The fourth proportional to 58,124.40, 87,186.60 and 54,625.20 is: 81,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,124.40 : 87,186.60 = 54,625.20 : x
  2. Step 2: Convert to fraction form
    58,124.40/87,186.60 = 54,625.20/x
  3. Step 3: Cross multiply
    58,124.40x = 87,186.60 × 54,625.20
  4. Step 4: Simplify right side
    58,124.40x = 4,762,585,462.32
  5. Step 5: Solve for x
    x = 4,762,585,462.32/58,124.40
  6. Step 6: Final answer
    x = 81,937.80

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