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Finding the Fourth Proportional to 303,521.85, 455,337.45 and 126,046.80

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Solution

The fourth proportional to 303,521.85, 455,337.45 and 126,046.80 is: 189,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,521.85 : 455,337.45 = 126,046.80 : x
  2. Step 2: Convert to fraction form
    303,521.85/455,337.45 = 126,046.80/x
  3. Step 3: Cross multiply
    303,521.85x = 455,337.45 × 126,046.80
  4. Step 4: Simplify right side
    303,521.85x = 57,393,828,492.66
  5. Step 5: Solve for x
    x = 57,393,828,492.66/303,521.85
  6. Step 6: Final answer
    x = 189,092.91

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