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Finding the Fourth Proportional to 173,458.51, 260,286.19 and 68,351.29

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Solution

The fourth proportional to 173,458.51, 260,286.19 and 68,351.29 is: 102,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,458.51 : 260,286.19 = 68,351.29 : x
  2. Step 2: Convert to fraction form
    173,458.51/260,286.19 = 68,351.29/x
  3. Step 3: Cross multiply
    173,458.51x = 260,286.19 × 68,351.29
  4. Step 4: Simplify right side
    173,458.51x = 17,790,896,855.69
  5. Step 5: Solve for x
    x = 17,790,896,855.69/173,458.51
  6. Step 6: Final answer
    x = 102,565.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.