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Finding the Fourth Proportional to 218,692.22, 327,297.54 and 134,505.77

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Solution

The fourth proportional to 218,692.22, 327,297.54 and 134,505.77 is: 201,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,692.22 : 327,297.54 = 134,505.77 : x
  2. Step 2: Convert to fraction form
    218,692.22/327,297.54 = 134,505.77/x
  3. Step 3: Cross multiply
    218,692.22x = 327,297.54 × 134,505.77
  4. Step 4: Simplify right side
    218,692.22x = 44,023,407,636.81
  5. Step 5: Solve for x
    x = 44,023,407,636.81/218,692.22
  6. Step 6: Final answer
    x = 201,303.04

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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.