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Finding the Fourth Proportional to 133,790.49, 200,719.20 and 94,424.49

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Solution

The fourth proportional to 133,790.49, 200,719.20 and 94,424.49 is: 141,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,790.49 : 200,719.20 = 94,424.49 : x
  2. Step 2: Convert to fraction form
    133,790.49/200,719.20 = 94,424.49/x
  3. Step 3: Cross multiply
    133,790.49x = 200,719.20 × 94,424.49
  4. Step 4: Simplify right side
    133,790.49x = 18,952,808,447.30
  5. Step 5: Solve for x
    x = 18,952,808,447.30/133,790.49
  6. Step 6: Final answer
    x = 141,660.36

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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.