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Finding the Fourth Proportional to 227,411.36, 313,832.69 and 125,439.92

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Solution

The fourth proportional to 227,411.36, 313,832.69 and 125,439.92 is: 173,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,411.36 : 313,832.69 = 125,439.92 : x
  2. Step 2: Convert to fraction form
    227,411.36/313,832.69 = 125,439.92/x
  3. Step 3: Cross multiply
    227,411.36x = 313,832.69 × 125,439.92
  4. Step 4: Simplify right side
    227,411.36x = 39,367,147,526.98
  5. Step 5: Solve for x
    x = 39,367,147,526.98/227,411.36
  6. Step 6: Final answer
    x = 173,109.85

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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.