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Finding the Fourth Proportional to 225,499.92, 310,975.22 and 134,841.48

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Solution

The fourth proportional to 225,499.92, 310,975.22 and 134,841.48 is: 185,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,499.92 : 310,975.22 = 134,841.48 : x
  2. Step 2: Convert to fraction form
    225,499.92/310,975.22 = 134,841.48/x
  3. Step 3: Cross multiply
    225,499.92x = 310,975.22 × 134,841.48
  4. Step 4: Simplify right side
    225,499.92x = 41,932,359,245.23
  5. Step 5: Solve for x
    x = 41,932,359,245.23/225,499.92
  6. Step 6: Final answer
    x = 185,952.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.