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Finding the Fourth Proportional to 104,814.40, 157,229.34 and 29,940.88

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Solution

The fourth proportional to 104,814.40, 157,229.34 and 29,940.88 is: 44,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,814.40 : 157,229.34 = 29,940.88 : x
  2. Step 2: Convert to fraction form
    104,814.40/157,229.34 = 29,940.88/x
  3. Step 3: Cross multiply
    104,814.40x = 157,229.34 × 29,940.88
  4. Step 4: Simplify right side
    104,814.40x = 4,707,584,801.42
  5. Step 5: Solve for x
    x = 4,707,584,801.42/104,814.40
  6. Step 6: Final answer
    x = 44,913.53

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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.