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Finding the Fourth Proportional to 305,449.38, 458,239.77 and 92,199.42

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Solution

The fourth proportional to 305,449.38, 458,239.77 and 92,199.42 is: 138,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,449.38 : 458,239.77 = 92,199.42 : x
  2. Step 2: Convert to fraction form
    305,449.38/458,239.77 = 92,199.42/x
  3. Step 3: Cross multiply
    305,449.38x = 458,239.77 × 92,199.42
  4. Step 4: Simplify right side
    305,449.38x = 42,249,441,014.93
  5. Step 5: Solve for x
    x = 42,249,441,014.93/305,449.38
  6. Step 6: Final answer
    x = 138,318.96

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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.