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Finding the Fourth Proportional to 134,472.40, 201,708.60 and 87,470.80

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Solution

The fourth proportional to 134,472.40, 201,708.60 and 87,470.80 is: 131,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,472.40 : 201,708.60 = 87,470.80 : x
  2. Step 2: Convert to fraction form
    134,472.40/201,708.60 = 87,470.80/x
  3. Step 3: Cross multiply
    134,472.40x = 201,708.60 × 87,470.80
  4. Step 4: Simplify right side
    134,472.40x = 17,643,612,608.88
  5. Step 5: Solve for x
    x = 17,643,612,608.88/134,472.40
  6. Step 6: Final answer
    x = 131,206.20

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