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Finding the Fourth Proportional to 228,847.41, 315,824.81 and 132,068.61

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Solution

The fourth proportional to 228,847.41, 315,824.81 and 132,068.61 is: 182,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,847.41 : 315,824.81 = 132,068.61 : x
  2. Step 2: Convert to fraction form
    228,847.41/315,824.81 = 132,068.61/x
  3. Step 3: Cross multiply
    228,847.41x = 315,824.81 × 132,068.61
  4. Step 4: Simplify right side
    228,847.41x = 41,710,542,999.87
  5. Step 5: Solve for x
    x = 41,710,542,999.87/228,847.41
  6. Step 6: Final answer
    x = 182,263.56

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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.