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Finding the Fourth Proportional to 201,933.70, 302,914.95 and 61,692.10

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Solution

The fourth proportional to 201,933.70, 302,914.95 and 61,692.10 is: 92,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,933.70 : 302,914.95 = 61,692.10 : x
  2. Step 2: Convert to fraction form
    201,933.70/302,914.95 = 61,692.10/x
  3. Step 3: Cross multiply
    201,933.70x = 302,914.95 × 61,692.10
  4. Step 4: Simplify right side
    201,933.70x = 18,687,459,386.90
  5. Step 5: Solve for x
    x = 18,687,459,386.90/201,933.70
  6. Step 6: Final answer
    x = 92,542.55

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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.