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Finding the Fourth Proportional to 58,708.80, 88,076.16 and 31,000.32

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Solution

The fourth proportional to 58,708.80, 88,076.16 and 31,000.32 is: 46,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.80 : 88,076.16 = 31,000.32 : x
  2. Step 2: Convert to fraction form
    58,708.80/88,076.16 = 31,000.32/x
  3. Step 3: Cross multiply
    58,708.80x = 88,076.16 × 31,000.32
  4. Step 4: Simplify right side
    58,708.80x = 2,730,389,144.37
  5. Step 5: Solve for x
    x = 2,730,389,144.37/58,708.80
  6. Step 6: Final answer
    x = 46,507.32

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