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Finding the Fourth Proportional to 156,355.85, 215,794.23 and 99,000.50

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Solution

The fourth proportional to 156,355.85, 215,794.23 and 99,000.50 is: 136,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,355.85 : 215,794.23 = 99,000.50 : x
  2. Step 2: Convert to fraction form
    156,355.85/215,794.23 = 99,000.50/x
  3. Step 3: Cross multiply
    156,355.85x = 215,794.23 × 99,000.50
  4. Step 4: Simplify right side
    156,355.85x = 21,363,735,632.63
  5. Step 5: Solve for x
    x = 21,363,735,632.63/156,355.85
  6. Step 6: Final answer
    x = 136,635.35

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