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Finding the Fourth Proportional to 125,576.82, 173,295.81 and 68,988.24

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Solution

The fourth proportional to 125,576.82, 173,295.81 and 68,988.24 is: 95,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,576.82 : 173,295.81 = 68,988.24 : x
  2. Step 2: Convert to fraction form
    125,576.82/173,295.81 = 68,988.24/x
  3. Step 3: Cross multiply
    125,576.82x = 173,295.81 × 68,988.24
  4. Step 4: Simplify right side
    125,576.82x = 11,955,372,931.27
  5. Step 5: Solve for x
    x = 11,955,372,931.27/125,576.82
  6. Step 6: Final answer
    x = 95,203.66

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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.