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Finding the Fourth Proportional to 104,182.62, 156,278.26 and 30,310.62

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Solution

The fourth proportional to 104,182.62, 156,278.26 and 30,310.62 is: 45,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,182.62 : 156,278.26 = 30,310.62 : x
  2. Step 2: Convert to fraction form
    104,182.62/156,278.26 = 30,310.62/x
  3. Step 3: Cross multiply
    104,182.62x = 156,278.26 × 30,310.62
  4. Step 4: Simplify right side
    104,182.62x = 4,736,890,953.12
  5. Step 5: Solve for x
    x = 4,736,890,953.12/104,182.62
  6. Step 6: Final answer
    x = 45,467.19

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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.