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Finding the Fourth Proportional to 58,783.20, 88,174.80 and 57,908.40

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Solution

The fourth proportional to 58,783.20, 88,174.80 and 57,908.40 is: 86,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,783.20 : 88,174.80 = 57,908.40 : x
  2. Step 2: Convert to fraction form
    58,783.20/88,174.80 = 57,908.40/x
  3. Step 3: Cross multiply
    58,783.20x = 88,174.80 × 57,908.40
  4. Step 4: Simplify right side
    58,783.20x = 5,106,061,588.32
  5. Step 5: Solve for x
    x = 5,106,061,588.32/58,783.20
  6. Step 6: Final answer
    x = 86,862.60

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