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Finding the Fourth Proportional to 201,885.28, 302,827.11 and 75,535

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Solution

The fourth proportional to 201,885.28, 302,827.11 and 75,535 is: 113,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,885.28 : 302,827.11 = 75,535 : x
  2. Step 2: Convert to fraction form
    201,885.28/302,827.11 = 75,535/x
  3. Step 3: Cross multiply
    201,885.28x = 302,827.11 × 75,535
  4. Step 4: Simplify right side
    201,885.28x = 22,874,045,753.85
  5. Step 5: Solve for x
    x = 22,874,045,753.85/201,885.28
  6. Step 6: Final answer
    x = 113,302.20

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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.