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Finding the Fourth Proportional to 267,480.90, 369,161.43 and 165,539.16

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Solution

The fourth proportional to 267,480.90, 369,161.43 and 165,539.16 is: 228,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,480.90 : 369,161.43 = 165,539.16 : x
  2. Step 2: Convert to fraction form
    267,480.90/369,161.43 = 165,539.16/x
  3. Step 3: Cross multiply
    267,480.90x = 369,161.43 × 165,539.16
  4. Step 4: Simplify right side
    267,480.90x = 61,110,673,026.60
  5. Step 5: Solve for x
    x = 61,110,673,026.60/267,480.90
  6. Step 6: Final answer
    x = 228,467.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.