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Finding the Fourth Proportional to 256,102.66, 353,422.98 and 141,379.24

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Solution

The fourth proportional to 256,102.66, 353,422.98 and 141,379.24 is: 195,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,102.66 : 353,422.98 = 141,379.24 : x
  2. Step 2: Convert to fraction form
    256,102.66/353,422.98 = 141,379.24/x
  3. Step 3: Cross multiply
    256,102.66x = 353,422.98 × 141,379.24
  4. Step 4: Simplify right side
    256,102.66x = 49,966,672,310.94
  5. Step 5: Solve for x
    x = 49,966,672,310.94/256,102.66
  6. Step 6: Final answer
    x = 195,104.07

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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.