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Finding the Fourth Proportional to 179,279.87, 268,821.32 and 123,134.10

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Solution

The fourth proportional to 179,279.87, 268,821.32 and 123,134.10 is: 184,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,279.87 : 268,821.32 = 123,134.10 : x
  2. Step 2: Convert to fraction form
    179,279.87/268,821.32 = 123,134.10/x
  3. Step 3: Cross multiply
    179,279.87x = 268,821.32 × 123,134.10
  4. Step 4: Simplify right side
    179,279.87x = 33,101,070,683.34
  5. Step 5: Solve for x
    x = 33,101,070,683.34/179,279.87
  6. Step 6: Final answer
    x = 184,633.51

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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.