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Finding the Fourth Proportional to 133,663.80, 200,546.90 and 131,564.60

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Solution

The fourth proportional to 133,663.80, 200,546.90 and 131,564.60 is: 197,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,663.80 : 200,546.90 = 131,564.60 : x
  2. Step 2: Convert to fraction form
    133,663.80/200,546.90 = 131,564.60/x
  3. Step 3: Cross multiply
    133,663.80x = 200,546.90 × 131,564.60
  4. Step 4: Simplify right side
    133,663.80x = 26,384,872,679.74
  5. Step 5: Solve for x
    x = 26,384,872,679.74/133,663.80
  6. Step 6: Final answer
    x = 197,397.30

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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.