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Finding the Fourth Proportional to 226,055.70, 311,954.85 and 124,078.14

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Solution

The fourth proportional to 226,055.70, 311,954.85 and 124,078.14 is: 171,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,055.70 : 311,954.85 = 124,078.14 : x
  2. Step 2: Convert to fraction form
    226,055.70/311,954.85 = 124,078.14/x
  3. Step 3: Cross multiply
    226,055.70x = 311,954.85 × 124,078.14
  4. Step 4: Simplify right side
    226,055.70x = 38,706,777,551.98
  5. Step 5: Solve for x
    x = 38,706,777,551.98/226,055.70
  6. Step 6: Final answer
    x = 171,226.73

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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.