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Finding the Fourth Proportional to 72,006.60, 107,963.69 and 29,915.76

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Solution

The fourth proportional to 72,006.60, 107,963.69 and 29,915.76 is: 44,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,006.60 : 107,963.69 = 29,915.76 : x
  2. Step 2: Convert to fraction form
    72,006.60/107,963.69 = 29,915.76/x
  3. Step 3: Cross multiply
    72,006.60x = 107,963.69 × 29,915.76
  4. Step 4: Simplify right side
    72,006.60x = 3,229,816,094.04
  5. Step 5: Solve for x
    x = 3,229,816,094.04/72,006.60
  6. Step 6: Final answer
    x = 44,854.44

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