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Finding the Fourth Proportional to 133,504.60, 199,868.10 and 129,616.60

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Solution

The fourth proportional to 133,504.60, 199,868.10 and 129,616.60 is: 194,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,504.60 : 199,868.10 = 129,616.60 : x
  2. Step 2: Convert to fraction form
    133,504.60/199,868.10 = 129,616.60/x
  3. Step 3: Cross multiply
    133,504.60x = 199,868.10 × 129,616.60
  4. Step 4: Simplify right side
    133,504.60x = 25,906,223,570.46
  5. Step 5: Solve for x
    x = 25,906,223,570.46/133,504.60
  6. Step 6: Final answer
    x = 194,047.42

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1.5x scale

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.