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Finding the Fourth Proportional to 119,566.80, 164,995.86 and 68,576.91

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Solution

The fourth proportional to 119,566.80, 164,995.86 and 68,576.91 is: 94,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,566.80 : 164,995.86 = 68,576.91 : x
  2. Step 2: Convert to fraction form
    119,566.80/164,995.86 = 68,576.91/x
  3. Step 3: Cross multiply
    119,566.80x = 164,995.86 × 68,576.91
  4. Step 4: Simplify right side
    119,566.80x = 11,314,906,241.59
  5. Step 5: Solve for x
    x = 11,314,906,241.59/119,566.80
  6. Step 6: Final answer
    x = 94,632.51

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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.