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Finding the Fourth Proportional to 302,950.35, 418,052.46 and 166,976.81

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Solution

The fourth proportional to 302,950.35, 418,052.46 and 166,976.81 is: 230,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,950.35 : 418,052.46 = 166,976.81 : x
  2. Step 2: Convert to fraction form
    302,950.35/418,052.46 = 166,976.81/x
  3. Step 3: Cross multiply
    302,950.35x = 418,052.46 × 166,976.81
  4. Step 4: Simplify right side
    302,950.35x = 69,805,067,228.58
  5. Step 5: Solve for x
    x = 69,805,067,228.58/302,950.35
  6. Step 6: Final answer
    x = 230,417.52

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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.