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Finding the Fourth Proportional to 133,604.40, 200,406.60 and 124,791.60

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Solution

The fourth proportional to 133,604.40, 200,406.60 and 124,791.60 is: 187,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,604.40 : 200,406.60 = 124,791.60 : x
  2. Step 2: Convert to fraction form
    133,604.40/200,406.60 = 124,791.60/x
  3. Step 3: Cross multiply
    133,604.40x = 200,406.60 × 124,791.60
  4. Step 4: Simplify right side
    133,604.40x = 25,009,060,264.56
  5. Step 5: Solve for x
    x = 25,009,060,264.56/133,604.40
  6. Step 6: Final answer
    x = 187,187.40

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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.