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Finding the Fourth Proportional to 302,311.04, 417,171.04 and 166,340

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Solution

The fourth proportional to 302,311.04, 417,171.04 and 166,340 is: 229,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,311.04 : 417,171.04 = 166,340 : x
  2. Step 2: Convert to fraction form
    302,311.04/417,171.04 = 166,340/x
  3. Step 3: Cross multiply
    302,311.04x = 417,171.04 × 166,340
  4. Step 4: Simplify right side
    302,311.04x = 69,392,230,793.60
  5. Step 5: Solve for x
    x = 69,392,230,793.60/302,311.04
  6. Step 6: Final answer
    x = 229,539.19

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