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Finding the Fourth Proportional to 163,601.80, 245,273.10 and 89,729.80

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Solution

The fourth proportional to 163,601.80, 245,273.10 and 89,729.80 is: 134,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.80 : 245,273.10 = 89,729.80 : x
  2. Step 2: Convert to fraction form
    163,601.80/245,273.10 = 89,729.80/x
  3. Step 3: Cross multiply
    163,601.80x = 245,273.10 × 89,729.80
  4. Step 4: Simplify right side
    163,601.80x = 22,008,306,208.38
  5. Step 5: Solve for x
    x = 22,008,306,208.38/163,601.80
  6. Step 6: Final answer
    x = 134,523.62

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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.