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Finding the Fourth Proportional to 132,748.32, 183,013.56 and 128,620.56

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Solution

The fourth proportional to 132,748.32, 183,013.56 and 128,620.56 is: 177,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,748.32 : 183,013.56 = 128,620.56 : x
  2. Step 2: Convert to fraction form
    132,748.32/183,013.56 = 128,620.56/x
  3. Step 3: Cross multiply
    132,748.32x = 183,013.56 × 128,620.56
  4. Step 4: Simplify right side
    132,748.32x = 23,539,306,574.79
  5. Step 5: Solve for x
    x = 23,539,306,574.79/132,748.32
  6. Step 6: Final answer
    x = 177,322.82

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