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Finding the Fourth Proportional to 88,958.31, 133,405.11 and 29,779.92

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Solution

The fourth proportional to 88,958.31, 133,405.11 and 29,779.92 is: 44,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,958.31 : 133,405.11 = 29,779.92 : x
  2. Step 2: Convert to fraction form
    88,958.31/133,405.11 = 29,779.92/x
  3. Step 3: Cross multiply
    88,958.31x = 133,405.11 × 29,779.92
  4. Step 4: Simplify right side
    88,958.31x = 3,972,793,503.39
  5. Step 5: Solve for x
    x = 3,972,793,503.39/88,958.31
  6. Step 6: Final answer
    x = 44,659.05

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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.