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Finding the Fourth Proportional to 234,173.82, 323,157.33 and 126,741.54

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Solution

The fourth proportional to 234,173.82, 323,157.33 and 126,741.54 is: 174,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,173.82 : 323,157.33 = 126,741.54 : x
  2. Step 2: Convert to fraction form
    234,173.82/323,157.33 = 126,741.54/x
  3. Step 3: Cross multiply
    234,173.82x = 323,157.33 × 126,741.54
  4. Step 4: Simplify right side
    234,173.82x = 40,957,457,666.49
  5. Step 5: Solve for x
    x = 40,957,457,666.49/234,173.82
  6. Step 6: Final answer
    x = 174,901.95

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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.