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Finding the Fourth Proportional to 73,765.33, 101,795.97 and 40,231.33

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Solution

The fourth proportional to 73,765.33, 101,795.97 and 40,231.33 is: 55,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,765.33 : 101,795.97 = 40,231.33 : x
  2. Step 2: Convert to fraction form
    73,765.33/101,795.97 = 40,231.33/x
  3. Step 3: Cross multiply
    73,765.33x = 101,795.97 × 40,231.33
  4. Step 4: Simplify right side
    73,765.33x = 4,095,387,261.74
  5. Step 5: Solve for x
    x = 4,095,387,261.74/73,765.33
  6. Step 6: Final answer
    x = 55,519.13

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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.