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Finding the Fourth Proportional to 254,901.92, 351,773.68 and 140,189.43

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Solution

The fourth proportional to 254,901.92, 351,773.68 and 140,189.43 is: 193,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,901.92 : 351,773.68 = 140,189.43 : x
  2. Step 2: Convert to fraction form
    254,901.92/351,773.68 = 140,189.43/x
  3. Step 3: Cross multiply
    254,901.92x = 351,773.68 × 140,189.43
  4. Step 4: Simplify right side
    254,901.92x = 49,314,951,688.20
  5. Step 5: Solve for x
    x = 49,314,951,688.20/254,901.92
  6. Step 6: Final answer
    x = 193,466.38

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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.