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Finding the Fourth Proportional to 255,820.76, 353,129.55 and 201,231.62

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Solution

The fourth proportional to 255,820.76, 353,129.55 and 201,231.62 is: 277,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,820.76 : 353,129.55 = 201,231.62 : x
  2. Step 2: Convert to fraction form
    255,820.76/353,129.55 = 201,231.62/x
  3. Step 3: Cross multiply
    255,820.76x = 353,129.55 × 201,231.62
  4. Step 4: Simplify right side
    255,820.76x = 71,060,831,416.37
  5. Step 5: Solve for x
    x = 71,060,831,416.37/255,820.76
  6. Step 6: Final answer
    x = 277,775.86

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