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Finding the Fourth Proportional to 201,703.37, 302,591.90 and 83,383.93

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Solution

The fourth proportional to 201,703.37, 302,591.90 and 83,383.93 is: 125,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,703.37 : 302,591.90 = 83,383.93 : x
  2. Step 2: Convert to fraction form
    201,703.37/302,591.90 = 83,383.93/x
  3. Step 3: Cross multiply
    201,703.37x = 302,591.90 × 83,383.93
  4. Step 4: Simplify right side
    201,703.37x = 25,231,302,394.87
  5. Step 5: Solve for x
    x = 25,231,302,394.87/201,703.37
  6. Step 6: Final answer
    x = 125,091.13

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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.