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Finding the Fourth Proportional to 353,415.20, 529,941.20 and 104,064.80

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Solution

The fourth proportional to 353,415.20, 529,941.20 and 104,064.80 is: 156,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,415.20 : 529,941.20 = 104,064.80 : x
  2. Step 2: Convert to fraction form
    353,415.20/529,941.20 = 104,064.80/x
  3. Step 3: Cross multiply
    353,415.20x = 529,941.20 × 104,064.80
  4. Step 4: Simplify right side
    353,415.20x = 55,148,224,989.76
  5. Step 5: Solve for x
    x = 55,148,224,989.76/353,415.20
  6. Step 6: Final answer
    x = 156,043.73

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