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Finding the Fourth Proportional to 135,753.83, 203,642.72 and 50,365.67

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Solution

The fourth proportional to 135,753.83, 203,642.72 and 50,365.67 is: 75,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.83 : 203,642.72 = 50,365.67 : x
  2. Step 2: Convert to fraction form
    135,753.83/203,642.72 = 50,365.67/x
  3. Step 3: Cross multiply
    135,753.83x = 203,642.72 × 50,365.67
  4. Step 4: Simplify right side
    135,753.83x = 10,256,602,033.42
  5. Step 5: Solve for x
    x = 10,256,602,033.42/135,753.83
  6. Step 6: Final answer
    x = 75,552.95

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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.