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Finding the Fourth Proportional to 83,787.62, 125,741.40 and 30,479.49

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Solution

The fourth proportional to 83,787.62, 125,741.40 and 30,479.49 is: 45,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,787.62 : 125,741.40 = 30,479.49 : x
  2. Step 2: Convert to fraction form
    83,787.62/125,741.40 = 30,479.49/x
  3. Step 3: Cross multiply
    83,787.62x = 125,741.40 × 30,479.49
  4. Step 4: Simplify right side
    83,787.62x = 3,832,533,743.89
  5. Step 5: Solve for x
    x = 3,832,533,743.89/83,787.62
  6. Step 6: Final answer
    x = 45,741.05

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