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Finding the Fourth Proportional to 125,576.50, 173,295.64 and 68,991.52

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Solution

The fourth proportional to 125,576.50, 173,295.64 and 68,991.52 is: 95,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,576.50 : 173,295.64 = 68,991.52 : x
  2. Step 2: Convert to fraction form
    125,576.50/173,295.64 = 68,991.52/x
  3. Step 3: Cross multiply
    125,576.50x = 173,295.64 × 68,991.52
  4. Step 4: Simplify right side
    125,576.50x = 11,955,929,612.97
  5. Step 5: Solve for x
    x = 11,955,929,612.97/125,576.50
  6. Step 6: Final answer
    x = 95,208.34

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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.