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Finding the Fourth Proportional to 226,597.23, 312,701.92 and 124,621.07

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Solution

The fourth proportional to 226,597.23, 312,701.92 and 124,621.07 is: 171,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,597.23 : 312,701.92 = 124,621.07 : x
  2. Step 2: Convert to fraction form
    226,597.23/312,701.92 = 124,621.07/x
  3. Step 3: Cross multiply
    226,597.23x = 312,701.92 × 124,621.07
  4. Step 4: Simplify right side
    226,597.23x = 38,969,245,986.39
  5. Step 5: Solve for x
    x = 38,969,245,986.39/226,597.23
  6. Step 6: Final answer
    x = 171,975.83

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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.