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Finding the Fourth Proportional to 226,414.57, 312,455.34 and 124,449.46

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Solution

The fourth proportional to 226,414.57, 312,455.34 and 124,449.46 is: 171,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,414.57 : 312,455.34 = 124,449.46 : x
  2. Step 2: Convert to fraction form
    226,414.57/312,455.34 = 124,449.46/x
  3. Step 3: Cross multiply
    226,414.57x = 312,455.34 × 124,449.46
  4. Step 4: Simplify right side
    226,414.57x = 38,884,897,555.98
  5. Step 5: Solve for x
    x = 38,884,897,555.98/226,414.57
  6. Step 6: Final answer
    x = 171,742.03

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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.