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Finding the Fourth Proportional to 162,960.63, 244,549.40 and 66,976.56

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Solution

The fourth proportional to 162,960.63, 244,549.40 and 66,976.56 is: 100,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,960.63 : 244,549.40 = 66,976.56 : x
  2. Step 2: Convert to fraction form
    162,960.63/244,549.40 = 66,976.56/x
  3. Step 3: Cross multiply
    162,960.63x = 244,549.40 × 66,976.56
  4. Step 4: Simplify right side
    162,960.63x = 16,379,077,562.06
  5. Step 5: Solve for x
    x = 16,379,077,562.06/162,960.63
  6. Step 6: Final answer
    x = 100,509.41

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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.