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Finding the Fourth Proportional to 269,349.16, 404,142.76 and 141,234.86

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Solution

The fourth proportional to 269,349.16, 404,142.76 and 141,234.86 is: 211,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,349.16 : 404,142.76 = 141,234.86 : x
  2. Step 2: Convert to fraction form
    269,349.16/404,142.76 = 141,234.86/x
  3. Step 3: Cross multiply
    269,349.16x = 404,142.76 × 141,234.86
  4. Step 4: Simplify right side
    269,349.16x = 57,079,044,107.90
  5. Step 5: Solve for x
    x = 57,079,044,107.90/269,349.16
  6. Step 6: Final answer
    x = 211,914.70

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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.