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Finding the Fourth Proportional to 135,661.66, 203,502.24 and 35,820.86

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Solution

The fourth proportional to 135,661.66, 203,502.24 and 35,820.86 is: 53,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,661.66 : 203,502.24 = 35,820.86 : x
  2. Step 2: Convert to fraction form
    135,661.66/203,502.24 = 35,820.86/x
  3. Step 3: Cross multiply
    135,661.66x = 203,502.24 × 35,820.86
  4. Step 4: Simplify right side
    135,661.66x = 7,289,624,231.22
  5. Step 5: Solve for x
    x = 7,289,624,231.22/135,661.66
  6. Step 6: Final answer
    x = 53,733.86

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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.