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Finding the Fourth Proportional to 224,081.75, 336,123.30 and 57,869.75

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Solution

The fourth proportional to 224,081.75, 336,123.30 and 57,869.75 is: 86,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,081.75 : 336,123.30 = 57,869.75 : x
  2. Step 2: Convert to fraction form
    224,081.75/336,123.30 = 57,869.75/x
  3. Step 3: Cross multiply
    224,081.75x = 336,123.30 × 57,869.75
  4. Step 4: Simplify right side
    224,081.75x = 19,451,371,340.18
  5. Step 5: Solve for x
    x = 19,451,371,340.18/224,081.75
  6. Step 6: Final answer
    x = 86,804.80

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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.