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Finding the Fourth Proportional to 104,369.72, 156,561.05 and 29,495.59

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Solution

The fourth proportional to 104,369.72, 156,561.05 and 29,495.59 is: 44,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,369.72 : 156,561.05 = 29,495.59 : x
  2. Step 2: Convert to fraction form
    104,369.72/156,561.05 = 29,495.59/x
  3. Step 3: Cross multiply
    104,369.72x = 156,561.05 × 29,495.59
  4. Step 4: Simplify right side
    104,369.72x = 4,617,860,223.11
  5. Step 5: Solve for x
    x = 4,617,860,223.11/104,369.72
  6. Step 6: Final answer
    x = 44,245.21

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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.