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Finding the Fourth Proportional to 179,348.70, 247,491.72 and 102,863.82

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Solution

The fourth proportional to 179,348.70, 247,491.72 and 102,863.82 is: 141,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,348.70 : 247,491.72 = 102,863.82 : x
  2. Step 2: Convert to fraction form
    179,348.70/247,491.72 = 102,863.82/x
  3. Step 3: Cross multiply
    179,348.70x = 247,491.72 × 102,863.82
  4. Step 4: Simplify right side
    179,348.70x = 25,457,943,737.57
  5. Step 5: Solve for x
    x = 25,457,943,737.57/179,348.70
  6. Step 6: Final answer
    x = 141,946.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.