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Finding the Fourth Proportional to 226,878.96, 313,087.60 and 126,274.80

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Solution

The fourth proportional to 226,878.96, 313,087.60 and 126,274.80 is: 174,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,878.96 : 313,087.60 = 126,274.80 : x
  2. Step 2: Convert to fraction form
    226,878.96/313,087.60 = 126,274.80/x
  3. Step 3: Cross multiply
    226,878.96x = 313,087.60 × 126,274.80
  4. Step 4: Simplify right side
    226,878.96x = 39,535,074,072.48
  5. Step 5: Solve for x
    x = 39,535,074,072.48/226,878.96
  6. Step 6: Final answer
    x = 174,256.24

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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.