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Finding the Fourth Proportional to 160,965.54, 241,354.71 and 107,718.39

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Solution

The fourth proportional to 160,965.54, 241,354.71 and 107,718.39 is: 161,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,965.54 : 241,354.71 = 107,718.39 : x
  2. Step 2: Convert to fraction form
    160,965.54/241,354.71 = 107,718.39/x
  3. Step 3: Cross multiply
    160,965.54x = 241,354.71 × 107,718.39
  4. Step 4: Simplify right side
    160,965.54x = 25,998,340,780.12
  5. Step 5: Solve for x
    x = 25,998,340,780.12/160,965.54
  6. Step 6: Final answer
    x = 161,514.95

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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.