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Finding the Fourth Proportional to 119,377.50, 164,764.35 and 68,424.39

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Solution

The fourth proportional to 119,377.50, 164,764.35 and 68,424.39 is: 94,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,377.50 : 164,764.35 = 68,424.39 : x
  2. Step 2: Convert to fraction form
    119,377.50/164,764.35 = 68,424.39/x
  3. Step 3: Cross multiply
    119,377.50x = 164,764.35 × 68,424.39
  4. Step 4: Simplify right side
    119,377.50x = 11,273,900,142.50
  5. Step 5: Solve for x
    x = 11,273,900,142.50/119,377.50
  6. Step 6: Final answer
    x = 94,439.07

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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.