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Finding the Fourth Proportional to 132,720.56, 183,154.63 and 72,291.02

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Solution

The fourth proportional to 132,720.56, 183,154.63 and 72,291.02 is: 99,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,720.56 : 183,154.63 = 72,291.02 : x
  2. Step 2: Convert to fraction form
    132,720.56/183,154.63 = 72,291.02/x
  3. Step 3: Cross multiply
    132,720.56x = 183,154.63 × 72,291.02
  4. Step 4: Simplify right side
    132,720.56x = 13,240,435,020.42
  5. Step 5: Solve for x
    x = 13,240,435,020.42/132,720.56
  6. Step 6: Final answer
    x = 99,761.75

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