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Finding the Fourth Proportional to 125,766.67, 173,556.25 and 68,404.75

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Solution

The fourth proportional to 125,766.67, 173,556.25 and 68,404.75 is: 94,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,766.67 : 173,556.25 = 68,404.75 : x
  2. Step 2: Convert to fraction form
    125,766.67/173,556.25 = 68,404.75/x
  3. Step 3: Cross multiply
    125,766.67x = 173,556.25 × 68,404.75
  4. Step 4: Simplify right side
    125,766.67x = 11,872,071,892.19
  5. Step 5: Solve for x
    x = 11,872,071,892.19/125,766.67
  6. Step 6: Final answer
    x = 94,397.60

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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.