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Finding the Fourth Proportional to 133,401.36, 200,102.36 and 54,515.56

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Solution

The fourth proportional to 133,401.36, 200,102.36 and 54,515.56 is: 81,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,401.36 : 200,102.36 = 54,515.56 : x
  2. Step 2: Convert to fraction form
    133,401.36/200,102.36 = 54,515.56/x
  3. Step 3: Cross multiply
    133,401.36x = 200,102.36 × 54,515.56
  4. Step 4: Simplify right side
    133,401.36x = 10,908,692,212.72
  5. Step 5: Solve for x
    x = 10,908,692,212.72/133,401.36
  6. Step 6: Final answer
    x = 81,773.47

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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.