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Finding the Fourth Proportional to 125,409.55, 188,144.43 and 46,524.46

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Solution

The fourth proportional to 125,409.55, 188,144.43 and 46,524.46 is: 69,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,409.55 : 188,144.43 = 46,524.46 : x
  2. Step 2: Convert to fraction form
    125,409.55/188,144.43 = 46,524.46/x
  3. Step 3: Cross multiply
    125,409.55x = 188,144.43 × 46,524.46
  4. Step 4: Simplify right side
    125,409.55x = 8,753,318,007.76
  5. Step 5: Solve for x
    x = 8,753,318,007.76/125,409.55
  6. Step 6: Final answer
    x = 69,797.86

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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.