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Finding the Fourth Proportional to 251,873.64, 347,610.12 and 188,100.72

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Solution

The fourth proportional to 251,873.64, 347,610.12 and 188,100.72 is: 259,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,873.64 : 347,610.12 = 188,100.72 : x
  2. Step 2: Convert to fraction form
    251,873.64/347,610.12 = 188,100.72/x
  3. Step 3: Cross multiply
    251,873.64x = 347,610.12 × 188,100.72
  4. Step 4: Simplify right side
    251,873.64x = 65,385,713,851.29
  5. Step 5: Solve for x
    x = 65,385,713,851.29/251,873.64
  6. Step 6: Final answer
    x = 259,597.29

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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.