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Finding the Fourth Proportional to 251,744.09, 377,526.18 and 83,233.31

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Solution

The fourth proportional to 251,744.09, 377,526.18 and 83,233.31 is: 124,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,744.09 : 377,526.18 = 83,233.31 : x
  2. Step 2: Convert to fraction form
    251,744.09/377,526.18 = 83,233.31/x
  3. Step 3: Cross multiply
    251,744.09x = 377,526.18 × 83,233.31
  4. Step 4: Simplify right side
    251,744.09x = 31,422,751,997.55
  5. Step 5: Solve for x
    x = 31,422,751,997.55/251,744.09
  6. Step 6: Final answer
    x = 124,820.22

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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.