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Finding the Fourth Proportional to 194,684.88, 268,664.76 and 109,801.68

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Solution

The fourth proportional to 194,684.88, 268,664.76 and 109,801.68 is: 151,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,684.88 : 268,664.76 = 109,801.68 : x
  2. Step 2: Convert to fraction form
    194,684.88/268,664.76 = 109,801.68/x
  3. Step 3: Cross multiply
    194,684.88x = 268,664.76 × 109,801.68
  4. Step 4: Simplify right side
    194,684.88x = 29,499,842,004.80
  5. Step 5: Solve for x
    x = 29,499,842,004.80/194,684.88
  6. Step 6: Final answer
    x = 151,526.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.