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Finding the Fourth Proportional to 508,131.73, 762,197.61 and 134,157.97

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Solution

The fourth proportional to 508,131.73, 762,197.61 and 134,157.97 is: 201,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,131.73 : 762,197.61 = 134,157.97 : x
  2. Step 2: Convert to fraction form
    508,131.73/762,197.61 = 134,157.97/x
  3. Step 3: Cross multiply
    508,131.73x = 762,197.61 × 134,157.97
  4. Step 4: Simplify right side
    508,131.73x = 102,254,884,096.45
  5. Step 5: Solve for x
    x = 102,254,884,096.45/508,131.73
  6. Step 6: Final answer
    x = 201,236.96

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.