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Finding the Fourth Proportional to 255,451.70, 352,523.11 and 148,083.97

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Solution

The fourth proportional to 255,451.70, 352,523.11 and 148,083.97 is: 204,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,451.70 : 352,523.11 = 148,083.97 : x
  2. Step 2: Convert to fraction form
    255,451.70/352,523.11 = 148,083.97/x
  3. Step 3: Cross multiply
    255,451.70x = 352,523.11 × 148,083.97
  4. Step 4: Simplify right side
    255,451.70x = 52,203,021,715.99
  5. Step 5: Solve for x
    x = 52,203,021,715.99/255,451.70
  6. Step 6: Final answer
    x = 204,355.74

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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.