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Finding the Fourth Proportional to 159,496.80, 239,601.60 and 133,252.80

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Solution

The fourth proportional to 159,496.80, 239,601.60 and 133,252.80 is: 200,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.80 : 239,601.60 = 133,252.80 : x
  2. Step 2: Convert to fraction form
    159,496.80/239,601.60 = 133,252.80/x
  3. Step 3: Cross multiply
    159,496.80x = 239,601.60 × 133,252.80
  4. Step 4: Simplify right side
    159,496.80x = 31,927,584,084.48
  5. Step 5: Solve for x
    x = 31,927,584,084.48/159,496.80
  6. Step 6: Final answer
    x = 200,176.96

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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.