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Finding the Fourth Proportional to 119,179.34, 164,490.94 and 67,505.68

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Solution

The fourth proportional to 119,179.34, 164,490.94 and 67,505.68 is: 93,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,179.34 : 164,490.94 = 67,505.68 : x
  2. Step 2: Convert to fraction form
    119,179.34/164,490.94 = 67,505.68/x
  3. Step 3: Cross multiply
    119,179.34x = 164,490.94 × 67,505.68
  4. Step 4: Simplify right side
    119,179.34x = 11,104,072,758.54
  5. Step 5: Solve for x
    x = 11,104,072,758.54/119,179.34
  6. Step 6: Final answer
    x = 93,171.12

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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.