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Finding the Fourth Proportional to 156,506.90, 234,733.10 and 72,259.88

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Solution

The fourth proportional to 156,506.90, 234,733.10 and 72,259.88 is: 108,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,506.90 : 234,733.10 = 72,259.88 : x
  2. Step 2: Convert to fraction form
    156,506.90/234,733.10 = 72,259.88/x
  3. Step 3: Cross multiply
    156,506.90x = 234,733.10 × 72,259.88
  4. Step 4: Simplify right side
    156,506.90x = 16,961,784,103.06
  5. Step 5: Solve for x
    x = 16,961,784,103.06/156,506.90
  6. Step 6: Final answer
    x = 108,377.23

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