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Finding the Fourth Proportional to 323,924.04, 485,885.94 and 166,051.80

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Solution

The fourth proportional to 323,924.04, 485,885.94 and 166,051.80 is: 249,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,924.04 : 485,885.94 = 166,051.80 : x
  2. Step 2: Convert to fraction form
    323,924.04/485,885.94 = 166,051.80/x
  3. Step 3: Cross multiply
    323,924.04x = 485,885.94 × 166,051.80
  4. Step 4: Simplify right side
    323,924.04x = 80,682,234,931.69
  5. Step 5: Solve for x
    x = 80,682,234,931.69/323,924.04
  6. Step 6: Final answer
    x = 249,077.64

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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.