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Finding the Fourth Proportional to 103,818.84, 155,750.04 and 33,692.64

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Solution

The fourth proportional to 103,818.84, 155,750.04 and 33,692.64 is: 50,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,818.84 : 155,750.04 = 33,692.64 : x
  2. Step 2: Convert to fraction form
    103,818.84/155,750.04 = 33,692.64/x
  3. Step 3: Cross multiply
    103,818.84x = 155,750.04 × 33,692.64
  4. Step 4: Simplify right side
    103,818.84x = 5,247,630,027.71
  5. Step 5: Solve for x
    x = 5,247,630,027.71/103,818.84
  6. Step 6: Final answer
    x = 50,546.03

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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.