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Finding the Fourth Proportional to 73,203.93, 101,021.49 and 39,669.93

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Solution

The fourth proportional to 73,203.93, 101,021.49 and 39,669.93 is: 54,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,203.93 : 101,021.49 = 39,669.93 : x
  2. Step 2: Convert to fraction form
    73,203.93/101,021.49 = 39,669.93/x
  3. Step 3: Cross multiply
    73,203.93x = 101,021.49 × 39,669.93
  4. Step 4: Simplify right side
    73,203.93x = 4,007,515,436.80
  5. Step 5: Solve for x
    x = 4,007,515,436.80/73,203.93
  6. Step 6: Final answer
    x = 54,744.54

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1.5x scale

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.