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Finding the Fourth Proportional to 224,580.64, 336,692.08 and 129,703.20

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Solution

The fourth proportional to 224,580.64, 336,692.08 and 129,703.20 is: 194,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,580.64 : 336,692.08 = 129,703.20 : x
  2. Step 2: Convert to fraction form
    224,580.64/336,692.08 = 129,703.20/x
  3. Step 3: Cross multiply
    224,580.64x = 336,692.08 × 129,703.20
  4. Step 4: Simplify right side
    224,580.64x = 43,670,040,190.66
  5. Step 5: Solve for x
    x = 43,670,040,190.66/224,580.64
  6. Step 6: Final answer
    x = 194,451.49

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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.