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Finding the Fourth Proportional to 160,540.65, 240,601.62 and 89,460.30

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Solution

The fourth proportional to 160,540.65, 240,601.62 and 89,460.30 is: 134,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,540.65 : 240,601.62 = 89,460.30 : x
  2. Step 2: Convert to fraction form
    160,540.65/240,601.62 = 89,460.30/x
  3. Step 3: Cross multiply
    160,540.65x = 240,601.62 × 89,460.30
  4. Step 4: Simplify right side
    160,540.65x = 21,524,293,105.69
  5. Step 5: Solve for x
    x = 21,524,293,105.69/160,540.65
  6. Step 6: Final answer
    x = 134,073.79

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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.