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Finding the Fourth Proportional to 104,254.62, 156,391.13 and 29,375.40

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Solution

The fourth proportional to 104,254.62, 156,391.13 and 29,375.40 is: 44,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,254.62 : 156,391.13 = 29,375.40 : x
  2. Step 2: Convert to fraction form
    104,254.62/156,391.13 = 29,375.40/x
  3. Step 3: Cross multiply
    104,254.62x = 156,391.13 × 29,375.40
  4. Step 4: Simplify right side
    104,254.62x = 4,594,051,853.33
  5. Step 5: Solve for x
    x = 4,594,051,853.33/104,254.62
  6. Step 6: Final answer
    x = 44,065.69

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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.