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Finding the Fourth Proportional to 133,959.08, 200,938.46 and 104,399.03

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Solution

The fourth proportional to 133,959.08, 200,938.46 and 104,399.03 is: 156,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,959.08 : 200,938.46 = 104,399.03 : x
  2. Step 2: Convert to fraction form
    133,959.08/200,938.46 = 104,399.03/x
  3. Step 3: Cross multiply
    133,959.08x = 200,938.46 × 104,399.03
  4. Step 4: Simplify right side
    133,959.08x = 20,977,780,294.04
  5. Step 5: Solve for x
    x = 20,977,780,294.04/133,959.08
  6. Step 6: Final answer
    x = 156,598.42

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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.