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Finding the Fourth Proportional to 160,481.95, 221,462.39 and 88,860.43

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Solution

The fourth proportional to 160,481.95, 221,462.39 and 88,860.43 is: 122,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,481.95 : 221,462.39 = 88,860.43 : x
  2. Step 2: Convert to fraction form
    160,481.95/221,462.39 = 88,860.43/x
  3. Step 3: Cross multiply
    160,481.95x = 221,462.39 × 88,860.43
  4. Step 4: Simplify right side
    160,481.95x = 19,679,243,826.23
  5. Step 5: Solve for x
    x = 19,679,243,826.23/160,481.95
  6. Step 6: Final answer
    x = 122,625.90

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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.