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Finding the Fourth Proportional to 224,983.40, 337,604.70 and 84,842.60

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Solution

The fourth proportional to 224,983.40, 337,604.70 and 84,842.60 is: 127,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,983.40 : 337,604.70 = 84,842.60 : x
  2. Step 2: Convert to fraction form
    224,983.40/337,604.70 = 84,842.60/x
  3. Step 3: Cross multiply
    224,983.40x = 337,604.70 × 84,842.60
  4. Step 4: Simplify right side
    224,983.40x = 28,643,260,520.22
  5. Step 5: Solve for x
    x = 28,643,260,520.22/224,983.40
  6. Step 6: Final answer
    x = 127,312.77

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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.