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Finding the Fourth Proportional to 251,577.50, 347,201.51 and 187,804.58

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Solution

The fourth proportional to 251,577.50, 347,201.51 and 187,804.58 is: 259,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,577.50 : 347,201.51 = 187,804.58 : x
  2. Step 2: Convert to fraction form
    251,577.50/347,201.51 = 187,804.58/x
  3. Step 3: Cross multiply
    251,577.50x = 347,201.51 × 187,804.58
  4. Step 4: Simplify right side
    251,577.50x = 65,206,031,085.89
  5. Step 5: Solve for x
    x = 65,206,031,085.89/251,577.50
  6. Step 6: Final answer
    x = 259,188.65

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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.