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Finding the Fourth Proportional to 141,224.92, 211,837.07 and 88,671.31

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Solution

The fourth proportional to 141,224.92, 211,837.07 and 88,671.31 is: 133,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,224.92 : 211,837.07 = 88,671.31 : x
  2. Step 2: Convert to fraction form
    141,224.92/211,837.07 = 88,671.31/x
  3. Step 3: Cross multiply
    141,224.92x = 211,837.07 × 88,671.31
  4. Step 4: Simplify right side
    141,224.92x = 18,783,870,195.55
  5. Step 5: Solve for x
    x = 18,783,870,195.55/141,224.92
  6. Step 6: Final answer
    x = 133,006.77

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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.