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Finding the Fourth Proportional to 149,191.56, 205,909.92 and 95,473.98

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Solution

The fourth proportional to 149,191.56, 205,909.92 and 95,473.98 is: 131,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,191.56 : 205,909.92 = 95,473.98 : x
  2. Step 2: Convert to fraction form
    149,191.56/205,909.92 = 95,473.98/x
  3. Step 3: Cross multiply
    149,191.56x = 205,909.92 × 95,473.98
  4. Step 4: Simplify right side
    149,191.56x = 19,659,039,583.88
  5. Step 5: Solve for x
    x = 19,659,039,583.88/149,191.56
  6. Step 6: Final answer
    x = 131,770.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.