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Finding the Fourth Proportional to 251,783.92, 347,508.39 and 144,354.70

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Solution

The fourth proportional to 251,783.92, 347,508.39 and 144,354.70 is: 199,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,783.92 : 347,508.39 = 144,354.70 : x
  2. Step 2: Convert to fraction form
    251,783.92/347,508.39 = 144,354.70/x
  3. Step 3: Cross multiply
    251,783.92x = 347,508.39 × 144,354.70
  4. Step 4: Simplify right side
    251,783.92x = 50,164,469,385.93
  5. Step 5: Solve for x
    x = 50,164,469,385.93/251,783.92
  6. Step 6: Final answer
    x = 199,236.19

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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.