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Finding the Fourth Proportional to 125,568.93, 173,293.62 and 68,980.89

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Solution

The fourth proportional to 125,568.93, 173,293.62 and 68,980.89 is: 95,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,568.93 : 173,293.62 = 68,980.89 : x
  2. Step 2: Convert to fraction form
    125,568.93/173,293.62 = 68,980.89/x
  3. Step 3: Cross multiply
    125,568.93x = 173,293.62 × 68,980.89
  4. Step 4: Simplify right side
    125,568.93x = 11,953,948,138.92
  5. Step 5: Solve for x
    x = 11,953,948,138.92/125,568.93
  6. Step 6: Final answer
    x = 95,198.30

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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.