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Finding the Fourth Proportional to 201,936.39, 302,901.16 and 59,781.05

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Solution

The fourth proportional to 201,936.39, 302,901.16 and 59,781.05 is: 89,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,936.39 : 302,901.16 = 59,781.05 : x
  2. Step 2: Convert to fraction form
    201,936.39/302,901.16 = 59,781.05/x
  3. Step 3: Cross multiply
    201,936.39x = 302,901.16 × 59,781.05
  4. Step 4: Simplify right side
    201,936.39x = 18,107,749,391.02
  5. Step 5: Solve for x
    x = 18,107,749,391.02/201,936.39
  6. Step 6: Final answer
    x = 89,670.56

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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.