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Finding the Fourth Proportional to 133,359.84, 200,040.03 and 54,474.12

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Solution

The fourth proportional to 133,359.84, 200,040.03 and 54,474.12 is: 81,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,359.84 : 200,040.03 = 54,474.12 : x
  2. Step 2: Convert to fraction form
    133,359.84/200,040.03 = 54,474.12/x
  3. Step 3: Cross multiply
    133,359.84x = 200,040.03 × 54,474.12
  4. Step 4: Simplify right side
    133,359.84x = 10,897,004,599.02
  5. Step 5: Solve for x
    x = 10,897,004,599.02/133,359.84
  6. Step 6: Final answer
    x = 81,711.29

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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.