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Finding the Fourth Proportional to 194,078.80, 267,809.70 and 109,194.04

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Solution

The fourth proportional to 194,078.80, 267,809.70 and 109,194.04 is: 150,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,078.80 : 267,809.70 = 109,194.04 : x
  2. Step 2: Convert to fraction form
    194,078.80/267,809.70 = 109,194.04/x
  3. Step 3: Cross multiply
    194,078.80x = 267,809.70 × 109,194.04
  4. Step 4: Simplify right side
    194,078.80x = 29,243,223,094.19
  5. Step 5: Solve for x
    x = 29,243,223,094.19/194,078.80
  6. Step 6: Final answer
    x = 150,677.06

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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.