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Finding the Fourth Proportional to 73,203, 101,020.14 and 39,669

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Solution

The fourth proportional to 73,203, 101,020.14 and 39,669 is: 54,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,203 : 101,020.14 = 39,669 : x
  2. Step 2: Convert to fraction form
    73,203/101,020.14 = 39,669/x
  3. Step 3: Cross multiply
    73,203x = 101,020.14 × 39,669
  4. Step 4: Simplify right side
    73,203x = 4,007,367,933.66
  5. Step 5: Solve for x
    x = 4,007,367,933.66/73,203
  6. Step 6: Final answer
    x = 54,743.22

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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.