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Finding the Fourth Proportional to 357,900.12, 536,456.46 and 147,423.24

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Solution

The fourth proportional to 357,900.12, 536,456.46 and 147,423.24 is: 220,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,900.12 : 536,456.46 = 147,423.24 : x
  2. Step 2: Convert to fraction form
    357,900.12/536,456.46 = 147,423.24/x
  3. Step 3: Cross multiply
    357,900.12x = 536,456.46 × 147,423.24
  4. Step 4: Simplify right side
    357,900.12x = 79,086,149,452.13
  5. Step 5: Solve for x
    x = 79,086,149,452.13/357,900.12
  6. Step 6: Final answer
    x = 220,972.68

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