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Finding the Fourth Proportional to 203,484.10, 305,226.15 and 103,951.30

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Solution

The fourth proportional to 203,484.10, 305,226.15 and 103,951.30 is: 155,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,484.10 : 305,226.15 = 103,951.30 : x
  2. Step 2: Convert to fraction form
    203,484.10/305,226.15 = 103,951.30/x
  3. Step 3: Cross multiply
    203,484.10x = 305,226.15 × 103,951.30
  4. Step 4: Simplify right side
    203,484.10x = 31,728,655,086.50
  5. Step 5: Solve for x
    x = 31,728,655,086.50/203,484.10
  6. Step 6: Final answer
    x = 155,926.95

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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.