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Finding the Fourth Proportional to 224,731.70, 336,660.15 and 124,712.90

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Solution

The fourth proportional to 224,731.70, 336,660.15 and 124,712.90 is: 186,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,731.70 : 336,660.15 = 124,712.90 : x
  2. Step 2: Convert to fraction form
    224,731.70/336,660.15 = 124,712.90/x
  3. Step 3: Cross multiply
    224,731.70x = 336,660.15 × 124,712.90
  4. Step 4: Simplify right side
    224,731.70x = 41,985,863,620.94
  5. Step 5: Solve for x
    x = 41,985,863,620.94/224,731.70
  6. Step 6: Final answer
    x = 186,826.62

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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.