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Finding the Fourth Proportional to 226,597.39, 312,697.78 and 124,622.75

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Solution

The fourth proportional to 226,597.39, 312,697.78 and 124,622.75 is: 171,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,597.39 : 312,697.78 = 124,622.75 : x
  2. Step 2: Convert to fraction form
    226,597.39/312,697.78 = 124,622.75/x
  3. Step 3: Cross multiply
    226,597.39x = 312,697.78 × 124,622.75
  4. Step 4: Simplify right side
    226,597.39x = 38,969,257,262.50
  5. Step 5: Solve for x
    x = 38,969,257,262.50/226,597.39
  6. Step 6: Final answer
    x = 171,975.76

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1.5x scale

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.