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Finding the Fourth Proportional to 58,228.80, 87,148.80 and 51,230.40

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Solution

The fourth proportional to 58,228.80, 87,148.80 and 51,230.40 is: 76,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,228.80 : 87,148.80 = 51,230.40 : x
  2. Step 2: Convert to fraction form
    58,228.80/87,148.80 = 51,230.40/x
  3. Step 3: Cross multiply
    58,228.80x = 87,148.80 × 51,230.40
  4. Step 4: Simplify right side
    58,228.80x = 4,464,667,883.52
  5. Step 5: Solve for x
    x = 4,464,667,883.52/58,228.80
  6. Step 6: Final answer
    x = 76,674.56

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