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Finding the Fourth Proportional to 242,976.94, 335,305.44 and 134,082.11

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Solution

The fourth proportional to 242,976.94, 335,305.44 and 134,082.11 is: 185,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,976.94 : 335,305.44 = 134,082.11 : x
  2. Step 2: Convert to fraction form
    242,976.94/335,305.44 = 134,082.11/x
  3. Step 3: Cross multiply
    242,976.94x = 335,305.44 × 134,082.11
  4. Step 4: Simplify right side
    242,976.94x = 44,958,461,727.94
  5. Step 5: Solve for x
    x = 44,958,461,727.94/242,976.94
  6. Step 6: Final answer
    x = 185,031.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.