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Finding the Fourth Proportional to 275,467.64, 413,154.68 and 125,672.72

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Solution

The fourth proportional to 275,467.64, 413,154.68 and 125,672.72 is: 188,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,467.64 : 413,154.68 = 125,672.72 : x
  2. Step 2: Convert to fraction form
    275,467.64/413,154.68 = 125,672.72/x
  3. Step 3: Cross multiply
    275,467.64x = 413,154.68 × 125,672.72
  4. Step 4: Simplify right side
    275,467.64x = 51,922,272,416.33
  5. Step 5: Solve for x
    x = 51,922,272,416.33/275,467.64
  6. Step 6: Final answer
    x = 188,487.74

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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.