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Finding the Fourth Proportional to 224,658.46, 336,696.81 and 91,382.86

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Solution

The fourth proportional to 224,658.46, 336,696.81 and 91,382.86 is: 136,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,658.46 : 336,696.81 = 91,382.86 : x
  2. Step 2: Convert to fraction form
    224,658.46/336,696.81 = 91,382.86/x
  3. Step 3: Cross multiply
    224,658.46x = 336,696.81 × 91,382.86
  4. Step 4: Simplify right side
    224,658.46x = 30,768,317,450.68
  5. Step 5: Solve for x
    x = 30,768,317,450.68/224,658.46
  6. Step 6: Final answer
    x = 136,955.97

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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.