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Finding the Fourth Proportional to 224,730.40, 336,922.80 and 126,234.40

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Solution

The fourth proportional to 224,730.40, 336,922.80 and 126,234.40 is: 189,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,730.40 : 336,922.80 = 126,234.40 : x
  2. Step 2: Convert to fraction form
    224,730.40/336,922.80 = 126,234.40/x
  3. Step 3: Cross multiply
    224,730.40x = 336,922.80 × 126,234.40
  4. Step 4: Simplify right side
    224,730.40x = 42,531,247,504.32
  5. Step 5: Solve for x
    x = 42,531,247,504.32/224,730.40
  6. Step 6: Final answer
    x = 189,254.54

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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.