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Finding the Fourth Proportional to 294,915.60, 442,373.40 and 81,683.10

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Solution

The fourth proportional to 294,915.60, 442,373.40 and 81,683.10 is: 122,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,915.60 : 442,373.40 = 81,683.10 : x
  2. Step 2: Convert to fraction form
    294,915.60/442,373.40 = 81,683.10/x
  3. Step 3: Cross multiply
    294,915.60x = 442,373.40 × 81,683.10
  4. Step 4: Simplify right side
    294,915.60x = 36,134,430,669.54
  5. Step 5: Solve for x
    x = 36,134,430,669.54/294,915.60
  6. Step 6: Final answer
    x = 122,524.65

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