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Finding the Fourth Proportional to 169,379.54, 254,623.47 and 156,957.62

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Solution

The fourth proportional to 169,379.54, 254,623.47 and 156,957.62 is: 235,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,379.54 : 254,623.47 = 156,957.62 : x
  2. Step 2: Convert to fraction form
    169,379.54/254,623.47 = 156,957.62/x
  3. Step 3: Cross multiply
    169,379.54x = 254,623.47 × 156,957.62
  4. Step 4: Simplify right side
    169,379.54x = 39,965,093,847.34
  5. Step 5: Solve for x
    x = 39,965,093,847.34/169,379.54
  6. Step 6: Final answer
    x = 235,949.95

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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.