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Finding the Fourth Proportional to 234,143.63, 323,118.24 and 126,713.69

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Solution

The fourth proportional to 234,143.63, 323,118.24 and 126,713.69 is: 174,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,143.63 : 323,118.24 = 126,713.69 : x
  2. Step 2: Convert to fraction form
    234,143.63/323,118.24 = 126,713.69/x
  3. Step 3: Cross multiply
    234,143.63x = 323,118.24 × 126,713.69
  4. Step 4: Simplify right side
    234,143.63x = 40,943,504,496.71
  5. Step 5: Solve for x
    x = 40,943,504,496.71/234,143.63
  6. Step 6: Final answer
    x = 174,864.91

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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.