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Finding the Fourth Proportional to 125,600.96, 188,474.40 and 41,422.40

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Solution

The fourth proportional to 125,600.96, 188,474.40 and 41,422.40 is: 62,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,600.96 : 188,474.40 = 41,422.40 : x
  2. Step 2: Convert to fraction form
    125,600.96/188,474.40 = 41,422.40/x
  3. Step 3: Cross multiply
    125,600.96x = 188,474.40 × 41,422.40
  4. Step 4: Simplify right side
    125,600.96x = 7,807,061,986.56
  5. Step 5: Solve for x
    x = 7,807,061,986.56/125,600.96
  6. Step 6: Final answer
    x = 62,157.66

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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.