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Finding the Fourth Proportional to 236,348.61, 326,165.50 and 128,922.47

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Solution

The fourth proportional to 236,348.61, 326,165.50 and 128,922.47 is: 177,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,348.61 : 326,165.50 = 128,922.47 : x
  2. Step 2: Convert to fraction form
    236,348.61/326,165.50 = 128,922.47/x
  3. Step 3: Cross multiply
    236,348.61x = 326,165.50 × 128,922.47
  4. Step 4: Simplify right side
    236,348.61x = 42,050,061,888.79
  5. Step 5: Solve for x
    x = 42,050,061,888.79/236,348.61
  6. Step 6: Final answer
    x = 177,915.42

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