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Finding the Fourth Proportional to 226,053.48, 311,954.10 and 124,079.52

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Solution

The fourth proportional to 226,053.48, 311,954.10 and 124,079.52 is: 171,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,053.48 : 311,954.10 = 124,079.52 : x
  2. Step 2: Convert to fraction form
    226,053.48/311,954.10 = 124,079.52/x
  3. Step 3: Cross multiply
    226,053.48x = 311,954.10 × 124,079.52
  4. Step 4: Simplify right side
    226,053.48x = 38,707,114,990.03
  5. Step 5: Solve for x
    x = 38,707,114,990.03/226,053.48
  6. Step 6: Final answer
    x = 171,229.90

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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.