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Finding the Fourth Proportional to 125,846.88, 173,668.32 and 69,258.21

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Solution

The fourth proportional to 125,846.88, 173,668.32 and 69,258.21 is: 95,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,846.88 : 173,668.32 = 69,258.21 : x
  2. Step 2: Convert to fraction form
    125,846.88/173,668.32 = 69,258.21/x
  3. Step 3: Cross multiply
    125,846.88x = 173,668.32 × 69,258.21
  4. Step 4: Simplify right side
    125,846.88x = 12,027,956,976.91
  5. Step 5: Solve for x
    x = 12,027,956,976.91/125,846.88
  6. Step 6: Final answer
    x = 95,576.12

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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.