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Finding the Fourth Proportional to 147,076.20, 220,614.30 and 41,893.80

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Solution

The fourth proportional to 147,076.20, 220,614.30 and 41,893.80 is: 62,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,076.20 : 220,614.30 = 41,893.80 : x
  2. Step 2: Convert to fraction form
    147,076.20/220,614.30 = 41,893.80/x
  3. Step 3: Cross multiply
    147,076.20x = 220,614.30 × 41,893.80
  4. Step 4: Simplify right side
    147,076.20x = 9,242,371,361.34
  5. Step 5: Solve for x
    x = 9,242,371,361.34/147,076.20
  6. Step 6: Final answer
    x = 62,840.70

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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.