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Finding the Fourth Proportional to 302,964.60, 454,446.90 and 125,412.60

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Solution

The fourth proportional to 302,964.60, 454,446.90 and 125,412.60 is: 188,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,964.60 : 454,446.90 = 125,412.60 : x
  2. Step 2: Convert to fraction form
    302,964.60/454,446.90 = 125,412.60/x
  3. Step 3: Cross multiply
    302,964.60x = 454,446.90 × 125,412.60
  4. Step 4: Simplify right side
    302,964.60x = 56,993,367,290.94
  5. Step 5: Solve for x
    x = 56,993,367,290.94/302,964.60
  6. Step 6: Final answer
    x = 188,118.90

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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.