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Finding the Fourth Proportional to 234,427.50, 323,509.63 and 126,997.96

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Solution

The fourth proportional to 234,427.50, 323,509.63 and 126,997.96 is: 175,257.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,427.50 : 323,509.63 = 126,997.96 : x
  2. Step 2: Convert to fraction form
    234,427.50/323,509.63 = 126,997.96/x
  3. Step 3: Cross multiply
    234,427.50x = 323,509.63 × 126,997.96
  4. Step 4: Simplify right side
    234,427.50x = 41,085,063,050.35
  5. Step 5: Solve for x
    x = 41,085,063,050.35/234,427.50
  6. Step 6: Final answer
    x = 175,257.01

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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.