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Finding the Fourth Proportional to 201,933.60, 302,897.70 and 61,692.90

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Solution

The fourth proportional to 201,933.60, 302,897.70 and 61,692.90 is: 92,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,933.60 : 302,897.70 = 61,692.90 : x
  2. Step 2: Convert to fraction form
    201,933.60/302,897.70 = 61,692.90/x
  3. Step 3: Cross multiply
    201,933.60x = 302,897.70 × 61,692.90
  4. Step 4: Simplify right side
    201,933.60x = 18,686,637,516.33
  5. Step 5: Solve for x
    x = 18,686,637,516.33/201,933.60
  6. Step 6: Final answer
    x = 92,538.53

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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.