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Finding the Fourth Proportional to 301,084.51, 451,626.96 and 76,461.79

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Solution

The fourth proportional to 301,084.51, 451,626.96 and 76,461.79 is: 114,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,084.51 : 451,626.96 = 76,461.79 : x
  2. Step 2: Convert to fraction form
    301,084.51/451,626.96 = 76,461.79/x
  3. Step 3: Cross multiply
    301,084.51x = 451,626.96 × 76,461.79
  4. Step 4: Simplify right side
    301,084.51x = 34,532,205,773.86
  5. Step 5: Solve for x
    x = 34,532,205,773.86/301,084.51
  6. Step 6: Final answer
    x = 114,692.73

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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.