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Finding the Fourth Proportional to 251,862.08, 377,792.71 and 172,736.42

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Solution

The fourth proportional to 251,862.08, 377,792.71 and 172,736.42 is: 259,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,862.08 : 377,792.71 = 172,736.42 : x
  2. Step 2: Convert to fraction form
    251,862.08/377,792.71 = 172,736.42/x
  3. Step 3: Cross multiply
    251,862.08x = 377,792.71 × 172,736.42
  4. Step 4: Simplify right side
    251,862.08x = 65,258,560,740.14
  5. Step 5: Solve for x
    x = 65,258,560,740.14/251,862.08
  6. Step 6: Final answer
    x = 259,104.35

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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.