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Finding the Fourth Proportional to 224,751.31, 337,139.91 and 84,511.15

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Solution

The fourth proportional to 224,751.31, 337,139.91 and 84,511.15 is: 126,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,751.31 : 337,139.91 = 84,511.15 : x
  2. Step 2: Convert to fraction form
    224,751.31/337,139.91 = 84,511.15/x
  3. Step 3: Cross multiply
    224,751.31x = 337,139.91 × 84,511.15
  4. Step 4: Simplify right side
    224,751.31x = 28,492,081,505.00
  5. Step 5: Solve for x
    x = 28,492,081,505.00/224,751.31
  6. Step 6: Final answer
    x = 126,771.59

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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.