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Finding the Fourth Proportional to 135,332.88, 202,979.16 and 35,494.80

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Solution

The fourth proportional to 135,332.88, 202,979.16 and 35,494.80 is: 53,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,332.88 : 202,979.16 = 35,494.80 : x
  2. Step 2: Convert to fraction form
    135,332.88/202,979.16 = 35,494.80/x
  3. Step 3: Cross multiply
    135,332.88x = 202,979.16 × 35,494.80
  4. Step 4: Simplify right side
    135,332.88x = 7,204,704,688.37
  5. Step 5: Solve for x
    x = 7,204,704,688.37/135,332.88
  6. Step 6: Final answer
    x = 53,236.91

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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.