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Finding the Fourth Proportional to 156,788.30, 235,291.80 and 100,764.65

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Solution

The fourth proportional to 156,788.30, 235,291.80 and 100,764.65 is: 151,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.30 : 235,291.80 = 100,764.65 : x
  2. Step 2: Convert to fraction form
    156,788.30/235,291.80 = 100,764.65/x
  3. Step 3: Cross multiply
    156,788.30x = 235,291.80 × 100,764.65
  4. Step 4: Simplify right side
    156,788.30x = 23,709,095,874.87
  5. Step 5: Solve for x
    x = 23,709,095,874.87/156,788.30
  6. Step 6: Final answer
    x = 151,217.25

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