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Finding the Fourth Proportional to 367,171.80, 550,725.30 and 100,908.60

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Solution

The fourth proportional to 367,171.80, 550,725.30 and 100,908.60 is: 151,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,171.80 : 550,725.30 = 100,908.60 : x
  2. Step 2: Convert to fraction form
    367,171.80/550,725.30 = 100,908.60/x
  3. Step 3: Cross multiply
    367,171.80x = 550,725.30 × 100,908.60
  4. Step 4: Simplify right side
    367,171.80x = 55,572,919,007.58
  5. Step 5: Solve for x
    x = 55,572,919,007.58/367,171.80
  6. Step 6: Final answer
    x = 151,354.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.