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Finding the Fourth Proportional to 227,471.58, 313,911.84 and 125,498.28

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Solution

The fourth proportional to 227,471.58, 313,911.84 and 125,498.28 is: 173,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,471.58 : 313,911.84 = 125,498.28 : x
  2. Step 2: Convert to fraction form
    227,471.58/313,911.84 = 125,498.28/x
  3. Step 3: Cross multiply
    227,471.58x = 313,911.84 × 125,498.28
  4. Step 4: Simplify right side
    227,471.58x = 39,395,395,991.64
  5. Step 5: Solve for x
    x = 39,395,395,991.64/227,471.58
  6. Step 6: Final answer
    x = 173,188.21

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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.