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Finding the Fourth Proportional to 76,672.74, 115,058.33 and 37,208.33

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Solution

The fourth proportional to 76,672.74, 115,058.33 and 37,208.33 is: 55,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,672.74 : 115,058.33 = 37,208.33 : x
  2. Step 2: Convert to fraction form
    76,672.74/115,058.33 = 37,208.33/x
  3. Step 3: Cross multiply
    76,672.74x = 115,058.33 × 37,208.33
  4. Step 4: Simplify right side
    76,672.74x = 4,281,127,550.56
  5. Step 5: Solve for x
    x = 4,281,127,550.56/76,672.74
  6. Step 6: Final answer
    x = 55,836.37

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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.