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Finding the Fourth Proportional to 234,230.77, 323,238.39 and 126,800.74

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Solution

The fourth proportional to 234,230.77, 323,238.39 and 126,800.74 is: 174,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.77 : 323,238.39 = 126,800.74 : x
  2. Step 2: Convert to fraction form
    234,230.77/323,238.39 = 126,800.74/x
  3. Step 3: Cross multiply
    234,230.77x = 323,238.39 × 126,800.74
  4. Step 4: Simplify right side
    234,230.77x = 40,986,865,432.22
  5. Step 5: Solve for x
    x = 40,986,865,432.22/234,230.77
  6. Step 6: Final answer
    x = 174,984.98

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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.