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Finding the Fourth Proportional to 318,285.52, 439,223.82 and 175,045.12

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Solution

The fourth proportional to 318,285.52, 439,223.82 and 175,045.12 is: 241,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,285.52 : 439,223.82 = 175,045.12 : x
  2. Step 2: Convert to fraction form
    318,285.52/439,223.82 = 175,045.12/x
  3. Step 3: Cross multiply
    318,285.52x = 439,223.82 × 175,045.12
  4. Step 4: Simplify right side
    318,285.52x = 76,883,986,278.76
  5. Step 5: Solve for x
    x = 76,883,986,278.76/318,285.52
  6. Step 6: Final answer
    x = 241,556.66

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