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Finding the Fourth Proportional to 125,847.10, 173,669.02 and 69,258.48

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Solution

The fourth proportional to 125,847.10, 173,669.02 and 69,258.48 is: 95,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,847.10 : 173,669.02 = 69,258.48 : x
  2. Step 2: Convert to fraction form
    125,847.10/173,669.02 = 69,258.48/x
  3. Step 3: Cross multiply
    125,847.10x = 173,669.02 × 69,258.48
  4. Step 4: Simplify right side
    125,847.10x = 12,028,052,348.29
  5. Step 5: Solve for x
    x = 12,028,052,348.29/125,847.10
  6. Step 6: Final answer
    x = 95,576.71

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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.