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Finding the Fourth Proportional to 251,842.37, 377,672.83 and 83,331.59

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Solution

The fourth proportional to 251,842.37, 377,672.83 and 83,331.59 is: 124,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,842.37 : 377,672.83 = 83,331.59 : x
  2. Step 2: Convert to fraction form
    251,842.37/377,672.83 = 83,331.59/x
  3. Step 3: Cross multiply
    251,842.37x = 377,672.83 × 83,331.59
  4. Step 4: Simplify right side
    251,842.37x = 31,472,075,327.01
  5. Step 5: Solve for x
    x = 31,472,075,327.01/251,842.37
  6. Step 6: Final answer
    x = 124,967.36

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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.