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Finding the Fourth Proportional to 119,178.34, 164,489.56 and 67,504.68

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Solution

The fourth proportional to 119,178.34, 164,489.56 and 67,504.68 is: 93,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178.34 : 164,489.56 = 67,504.68 : x
  2. Step 2: Convert to fraction form
    119,178.34/164,489.56 = 67,504.68/x
  3. Step 3: Cross multiply
    119,178.34x = 164,489.56 × 67,504.68
  4. Step 4: Simplify right side
    119,178.34x = 11,103,814,942.38
  5. Step 5: Solve for x
    x = 11,103,814,942.38/119,178.34
  6. Step 6: Final answer
    x = 93,169.74

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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.