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Finding the Fourth Proportional to 164,042.40, 246,355.20 and 119,719.20

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Solution

The fourth proportional to 164,042.40, 246,355.20 and 119,719.20 is: 179,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,042.40 : 246,355.20 = 119,719.20 : x
  2. Step 2: Convert to fraction form
    164,042.40/246,355.20 = 119,719.20/x
  3. Step 3: Cross multiply
    164,042.40x = 246,355.20 × 119,719.20
  4. Step 4: Simplify right side
    164,042.40x = 29,493,447,459.84
  5. Step 5: Solve for x
    x = 29,493,447,459.84/164,042.40
  6. Step 6: Final answer
    x = 179,791.61

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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.