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Finding the Fourth Proportional to 226,020.16, 311,911.78 and 124,055.16

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Solution

The fourth proportional to 226,020.16, 311,911.78 and 124,055.16 is: 171,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,020.16 : 311,911.78 = 124,055.16 : x
  2. Step 2: Convert to fraction form
    226,020.16/311,911.78 = 124,055.16/x
  3. Step 3: Cross multiply
    226,020.16x = 311,911.78 × 124,055.16
  4. Step 4: Simplify right side
    226,020.16x = 38,694,265,773.78
  5. Step 5: Solve for x
    x = 38,694,265,773.78/226,020.16
  6. Step 6: Final answer
    x = 171,198.29

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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.