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Finding the Fourth Proportional to 227,399.76, 313,814.10 and 125,429.64

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Solution

The fourth proportional to 227,399.76, 313,814.10 and 125,429.64 is: 173,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,399.76 : 313,814.10 = 125,429.64 : x
  2. Step 2: Convert to fraction form
    227,399.76/313,814.10 = 125,429.64/x
  3. Step 3: Cross multiply
    227,399.76x = 313,814.10 × 125,429.64
  4. Step 4: Simplify right side
    227,399.76x = 39,361,589,589.92
  5. Step 5: Solve for x
    x = 39,361,589,589.92/227,399.76
  6. Step 6: Final answer
    x = 173,094.24

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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.