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Finding the Fourth Proportional to 202,162.60, 303,462.60 and 127,367.20

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Solution

The fourth proportional to 202,162.60, 303,462.60 and 127,367.20 is: 191,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,162.60 : 303,462.60 = 127,367.20 : x
  2. Step 2: Convert to fraction form
    202,162.60/303,462.60 = 127,367.20/x
  3. Step 3: Cross multiply
    202,162.60x = 303,462.60 × 127,367.20
  4. Step 4: Simplify right side
    202,162.60x = 38,651,181,666.72
  5. Step 5: Solve for x
    x = 38,651,181,666.72/202,162.60
  6. Step 6: Final answer
    x = 191,188.59

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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.