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Finding the Fourth Proportional to 234,323.57, 323,366.70 and 126,893.72

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Solution

The fourth proportional to 234,323.57, 323,366.70 and 126,893.72 is: 175,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,323.57 : 323,366.70 = 126,893.72 : x
  2. Step 2: Convert to fraction form
    234,323.57/323,366.70 = 126,893.72/x
  3. Step 3: Cross multiply
    234,323.57x = 323,366.70 × 126,893.72
  4. Step 4: Simplify right side
    234,323.57x = 41,033,203,487.12
  5. Step 5: Solve for x
    x = 41,033,203,487.12/234,323.57
  6. Step 6: Final answer
    x = 175,113.43

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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.