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Finding the Fourth Proportional to 302,660.94, 417,691.06 and 166,694.86

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Solution

The fourth proportional to 302,660.94, 417,691.06 and 166,694.86 is: 230,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,660.94 : 417,691.06 = 166,694.86 : x
  2. Step 2: Convert to fraction form
    302,660.94/417,691.06 = 166,694.86/x
  3. Step 3: Cross multiply
    302,660.94x = 417,691.06 × 166,694.86
  4. Step 4: Simplify right side
    302,660.94x = 69,626,949,848.02
  5. Step 5: Solve for x
    x = 69,626,949,848.02/302,660.94
  6. Step 6: Final answer
    x = 230,049.34

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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.