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Finding the Fourth Proportional to 255,431.46, 383,193.67 and 105,590.37

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Solution

The fourth proportional to 255,431.46, 383,193.67 and 105,590.37 is: 158,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,431.46 : 383,193.67 = 105,590.37 : x
  2. Step 2: Convert to fraction form
    255,431.46/383,193.67 = 105,590.37/x
  3. Step 3: Cross multiply
    255,431.46x = 383,193.67 × 105,590.37
  4. Step 4: Simplify right side
    255,431.46x = 40,461,561,396.96
  5. Step 5: Solve for x
    x = 40,461,561,396.96/255,431.46
  6. Step 6: Final answer
    x = 158,404.77

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