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Finding the Fourth Proportional to 201,687.39, 302,531.10 and 61,446

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Solution

The fourth proportional to 201,687.39, 302,531.10 and 61,446 is: 92,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,687.39 : 302,531.10 = 61,446 : x
  2. Step 2: Convert to fraction form
    201,687.39/302,531.10 = 61,446/x
  3. Step 3: Cross multiply
    201,687.39x = 302,531.10 × 61,446
  4. Step 4: Simplify right side
    201,687.39x = 18,589,325,970.60
  5. Step 5: Solve for x
    x = 18,589,325,970.60/201,687.39
  6. Step 6: Final answer
    x = 92,169.00

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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.