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Finding the Fourth Proportional to 275,579.60, 413,369.70 and 109,367.60

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Solution

The fourth proportional to 275,579.60, 413,369.70 and 109,367.60 is: 164,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,579.60 : 413,369.70 = 109,367.60 : x
  2. Step 2: Convert to fraction form
    275,579.60/413,369.70 = 109,367.60/x
  3. Step 3: Cross multiply
    275,579.60x = 413,369.70 × 109,367.60
  4. Step 4: Simplify right side
    275,579.60x = 45,209,252,001.72
  5. Step 5: Solve for x
    x = 45,209,252,001.72/275,579.60
  6. Step 6: Final answer
    x = 164,051.52

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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.