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Finding the Fourth Proportional to 262,671.66, 362,481.48 and 160,689.42

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Solution

The fourth proportional to 262,671.66, 362,481.48 and 160,689.42 is: 221,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,671.66 : 362,481.48 = 160,689.42 : x
  2. Step 2: Convert to fraction form
    262,671.66/362,481.48 = 160,689.42/x
  3. Step 3: Cross multiply
    262,671.66x = 362,481.48 × 160,689.42
  4. Step 4: Simplify right side
    262,671.66x = 58,246,938,781.94
  5. Step 5: Solve for x
    x = 58,246,938,781.94/262,671.66
  6. Step 6: Final answer
    x = 221,748.09

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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.