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Finding the Fourth Proportional to 135,663.88, 203,524.94 and 45,715.48

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Solution

The fourth proportional to 135,663.88, 203,524.94 and 45,715.48 is: 68,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,663.88 : 203,524.94 = 45,715.48 : x
  2. Step 2: Convert to fraction form
    135,663.88/203,524.94 = 45,715.48/x
  3. Step 3: Cross multiply
    135,663.88x = 203,524.94 × 45,715.48
  4. Step 4: Simplify right side
    135,663.88x = 9,304,240,324.07
  5. Step 5: Solve for x
    x = 9,304,240,324.07/135,663.88
  6. Step 6: Final answer
    x = 68,583.03

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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.