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Finding the Fourth Proportional to 133,602.80, 200,436.60 and 94,236.80

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Solution

The fourth proportional to 133,602.80, 200,436.60 and 94,236.80 is: 141,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,602.80 : 200,436.60 = 94,236.80 : x
  2. Step 2: Convert to fraction form
    133,602.80/200,436.60 = 94,236.80/x
  3. Step 3: Cross multiply
    133,602.80x = 200,436.60 × 94,236.80
  4. Step 4: Simplify right side
    133,602.80x = 18,888,503,786.88
  5. Step 5: Solve for x
    x = 18,888,503,786.88/133,602.80
  6. Step 6: Final answer
    x = 141,378.05

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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.