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Finding the Fourth Proportional to 104,757.80, 157,138.18 and 29,877.96

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Solution

The fourth proportional to 104,757.80, 157,138.18 and 29,877.96 is: 44,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,757.80 : 157,138.18 = 29,877.96 : x
  2. Step 2: Convert to fraction form
    104,757.80/157,138.18 = 29,877.96/x
  3. Step 3: Cross multiply
    104,757.80x = 157,138.18 × 29,877.96
  4. Step 4: Simplify right side
    104,757.80x = 4,694,968,256.51
  5. Step 5: Solve for x
    x = 4,694,968,256.51/104,757.80
  6. Step 6: Final answer
    x = 44,817.36

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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.